diff --git a/core/lib/Drupal/Core/Entity/ContentEntityDatabaseStorage.php b/core/lib/Drupal/Core/Entity/ContentEntityDatabaseStorage.php
index 6b7de03..0a045f2 100644
--- a/core/lib/Drupal/Core/Entity/ContentEntityDatabaseStorage.php
+++ b/core/lib/Drupal/Core/Entity/ContentEntityDatabaseStorage.php
@@ -8,7 +8,9 @@
 namespace Drupal\Core\Entity;
 
 use Drupal\Core\Database\Connection;
+use Drupal\Core\Database\Database;
 use Drupal\Core\Entity\Query\QueryInterface;
+use Drupal\Core\Entity\Schema\ContentEntitySchemaHandler;
 use Drupal\Core\Language\Language;
 use Drupal\field\FieldInfo;
 use Drupal\field\FieldConfigUpdateForbiddenException;
@@ -25,7 +27,7 @@
  * This class can be used as-is by most simple entity types. Entity types
  * requiring special handling can extend the class.
  */
-class ContentEntityDatabaseStorage extends ContentEntityStorageBase {
+class ContentEntityDatabaseStorage extends ContentEntityStorageBase implements SqlStorageInterface {
 
   /**
    * Name of entity's revision database table field, if it supports revisions.
@@ -37,6 +39,13 @@ class ContentEntityDatabaseStorage extends ContentEntityStorageBase {
   protected $revisionKey = FALSE;
 
   /**
+   * The base table of the entity, if the entity has storage.
+   *
+   * @var string
+   */
+  protected $baseTable;
+
+  /**
    * The table that stores revisions, if the entity supports revisions.
    *
    * @var string
@@ -79,13 +88,28 @@ class ContentEntityDatabaseStorage extends ContentEntityStorageBase {
   protected $fieldInfo;
 
   /**
+   * The entity manager.
+   *
+   * @var \Drupal\Core\Entity\EntityManagerInterface
+   */
+  protected $entityManager;
+
+  /**
+   * The entity schema builder.
+   *
+   * @var \Drupal\Core\Entity\Schema\ContentEntitySchemaHandlerInterface
+   */
+  protected $schemaBuilder;
+
+  /**
    * {@inheritdoc}
    */
   public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
     return new static(
       $entity_type,
       $container->get('database'),
-      $container->get('field.info')
+      $container->get('field.info'),
+      $container->get('entity.manager')
     );
   }
 
@@ -98,12 +122,15 @@ public static function createInstance(ContainerInterface $container, EntityTypeI
    *   The database connection to be used.
    * @param \Drupal\field\FieldInfo $field_info
    *   The field info service.
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
    */
-  public function __construct(EntityTypeInterface $entity_type, Connection $database, FieldInfo $field_info) {
+  public function __construct(EntityTypeInterface $entity_type, Connection $database, FieldInfo $field_info, EntityManagerInterface $entity_manager) {
     parent::__construct($entity_type);
 
     $this->database = $database;
     $this->fieldInfo = $field_info;
+    $this->entityManager = $entity_manager;
 
     // Check if the entity type supports IDs.
     if ($this->entityType->hasKey('id')) {
@@ -113,6 +140,11 @@ public function __construct(EntityTypeInterface $entity_type, Connection $databa
     // Check if the entity type supports UUIDs.
     $this->uuidKey = $this->entityType->getKey('uuid');
 
+    // Some entity types are not stored in the database at all.
+    if ($base_table = $this->entityType->getBaseTable()) {
+      $this->baseTable = $base_table;
+    }
+
     // Check if the entity type supports revisions.
     if ($this->entityType->hasKey('revision')) {
       $this->revisionKey = $this->entityType->getKey('revision');
@@ -209,6 +241,7 @@ public function load($id) {
    */
   protected function mapFromStorageRecords(array $records) {
     $entities = array();
+    $field_definitions = $this->entityManager->getBaseFieldDefinitions($this->entityTypeId);
     foreach ($records as $id => $record) {
       $entities[$id] = array();
       // Skip the item delta and item value levels (if possible) but let the
@@ -219,12 +252,28 @@ protected function mapFromStorageRecords(array $records) {
         // that store several properties).
         if ($field_name = strstr($name, '__', TRUE)) {
           $property_name = substr($name, strpos($name, '__') + 2);
-          $entities[$id][$field_name][Language::LANGCODE_DEFAULT][$property_name] = $value;
+
+          $field_definition = $field_definitions[$field_name];
+          $serialize = !empty($field_definition->getColumns()[$property_name]['serialize']);
+          $entities[$id][$field_name][Language::LANGCODE_DEFAULT][$property_name] = $serialize ? unserialize($value) : $value;
         }
         else {
           // Handle columns named directly after the field (e.g if the field
-          // type only stores one property).
-          $entities[$id][$name][Language::LANGCODE_DEFAULT] = $value;
+          // type only stores one property). We allow for storage controllers to
+          // have schema fields which are not entity fields, which can be useful
+          // for normalization purposes. The 'default_langcode' field, for
+          // example, is simply a denormalization of checking the language code
+          // in the data table against the language code in the base table and
+          // similarly the 'isDefaultRevision' field (which we add as a query
+          // expression in FieldableDatabaseStorageController::buildQuery()) is
+          // a denormalization of checking the revision ID in the revision table
+          // against the revision ID in the base table.
+          $serialize = FALSE;
+          if (isset($field_definitions[$name])) {
+            $field_definition = $field_definitions[$name];
+            $serialize = !empty($field_definition->getColumns()[$field_definition->getMainPropertyName()]['serialize']);
+          }
+          $entities[$id][$name][Language::LANGCODE_DEFAULT] = $serialize ? unserialize($value) : $value;
         }
       }
       // If we have no multilingual values we can instantiate entity objecs
@@ -265,15 +314,18 @@ protected function attachPropertyData(array &$entities) {
       }
 
       $data = $query->execute();
-      $field_definitions = \Drupal::entityManager()->getBaseFieldDefinitions($this->entityTypeId);
+      $field_definitions = $this->entityManager->getBaseFieldDefinitions($this->entityTypeId);
+
+      $table_mapping = $this->getTableMapping();
       $translations = array();
       if ($this->revisionDataTable) {
-        $data_column_names = array_flip(array_diff(drupal_schema_fields_sql($this->entityType->getRevisionDataTable()), drupal_schema_fields_sql($this->entityType->getBaseTable())));
+        $data_column_names = call_user_func_array('array_merge', array_diff_key($table_mapping['revision_data_table'], $table_mapping['base_table']));
       }
       else {
-        $data_column_names = array_flip(drupal_schema_fields_sql($this->entityType->getDataTable()));
+        $data_column_names = call_user_func_array('array_merge', $table_mapping['data_table']);
       }
 
+      $data_column_names = array_combine($data_column_names, $data_column_names);
       foreach ($data as $values) {
         $id = $values[$this->idKey];
 
@@ -403,11 +455,12 @@ protected function buildQuery($ids, $revision_id = FALSE) {
     }
 
     // Add fields from the {entity} table.
-    $entity_fields = drupal_schema_fields_sql($this->entityType->getBaseTable());
+    $table_mapping = $this->getTableMapping();
+    $entity_fields = call_user_func_array('array_merge', $table_mapping['base_table']);
 
     if ($this->revisionTable) {
       // Add all fields from the {entity_revision} table.
-      $entity_revision_fields = drupal_schema_fields_sql($this->entityType->getRevisionTable());
+      $entity_revision_fields = call_user_func_array('array_merge', $table_mapping['revision_table']);
       $entity_revision_fields = array_combine($entity_revision_fields, $entity_revision_fields);
       // The ID field is provided by entity, so remove it.
       unset($entity_revision_fields[$this->idKey]);
@@ -552,7 +605,12 @@ public function save(EntityInterface $entity) {
 
       if (!$entity->isNew()) {
         if ($entity->isDefaultRevision()) {
-          $return = drupal_write_record($this->entityType->getBaseTable(), $record, $this->idKey);
+          $this->database
+            ->update($this->baseTable)
+            ->fields((array) $record)
+            ->condition($this->idKey, $record->{$this->idKey})
+            ->execute();
+          $return = SAVED_UPDATED;
         }
         else {
           // @todo, should a different value be returned when saving an entity
@@ -560,7 +618,7 @@ public function save(EntityInterface $entity) {
           $return = FALSE;
         }
         if ($this->revisionTable) {
-          $record->{$this->revisionKey} = $this->saveRevision($entity);
+          $entity->{$this->revisionKey}->value = $this->saveRevision($entity);
         }
         if ($this->dataTable) {
           $this->savePropertyData($entity);
@@ -582,7 +640,17 @@ public function save(EntityInterface $entity) {
         // Ensure the entity is still seen as new after assigning it an id,
         // while storing its data.
         $entity->enforceIsNew();
-        $return = drupal_write_record($this->entityType->getBaseTable(), $record);
+        $insert_id = $this->database
+          ->insert($this->baseTable, array('return' => Database::RETURN_INSERT_ID))
+          ->fields((array) $record)
+          ->execute();
+        // Even if this is a new entity, the ID key might have been set in which
+        // case we should not override the provided ID. An empty value for the
+        // id is interpreted as NULL and thus overriden.
+        if (empty($record->{$this->idKey})) {
+          $record->{$this->idKey} = $insert_id;
+        }
+        $return = SAVED_NEW;
         $entity->{$this->idKey}->value = (string) $record->{$this->idKey};
         if ($this->revisionTable) {
           $entity->setNewRevision();
@@ -595,7 +663,6 @@ public function save(EntityInterface $entity) {
           $this->savePropertyData($entity, 'revision_data_table');
         }
 
-
         $entity->enforceIsNew(FALSE);
         $this->invokeFieldMethod('insert', $entity);
         $this->saveFieldItems($entity, FALSE);
@@ -670,18 +737,40 @@ protected function mapToStorageRecord(EntityInterface $entity, $table_key = 'bas
     $record = new \stdClass();
     $values = array();
     $definitions = $entity->getFieldDefinitions();
-    $schema = drupal_get_schema($this->entityType->get($table_key));
+
+    $table_name = $this->entityType->get($table_key);
+    $schema = $this->schemaBuilder()->getSchema()[$table_name];
+
     $is_new = $entity->isNew();
 
     $multi_column_fields = array();
-    foreach (drupal_schema_fields_sql($this->entityType->get($table_key)) as $name) {
+    foreach (array_keys($schema['fields']) as $name) {
       // Check for fields which store data in multiple columns and process them
       // separately.
       if ($field = strstr($name, '__', TRUE)) {
         $multi_column_fields[$field] = TRUE;
         continue;
       }
-      $values[$name] = isset($definitions[$name]) && isset($entity->$name->value) ? $entity->$name->value : NULL;
+      $value = isset($definitions[$name]) && isset($entity->$name->value) ? $entity->$name->value : NULL;
+
+      // We allow for storage controllers to have schema fields which are not
+      // entity fields, which can be useful for normalization purposes. The
+      // 'default_langcode' field, for example, is simply a denormalization of
+      // checking the language code in the data table against the language code
+      // in the base table and similarly the 'isDefaultRevision' field (which we
+      // add as a query expression in
+      // FieldableDatabaseStorageController::buildQuery()) is a denormalization
+      // of checking the revision ID in the revision table against the revision
+      // ID in the base table.
+      $serialize = FALSE;
+      if (isset($definitions[$name])) {
+        $definition = $definitions[$name];
+        // Since this is not a multi-column field we can assume there is only
+        // one column.
+        $serialize = !empty($definition->getColumns()[$definition->getMainPropertyName()]['serialize']);
+      }
+
+      $values[$name] = $serialize ? serialize($value) : $value;
     }
 
     // Handle fields that store multiple properties and match each property name
@@ -689,9 +778,10 @@ protected function mapToStorageRecord(EntityInterface $entity, $table_key = 'bas
     foreach (array_keys($multi_column_fields) as $field_name) {
       $field_items = $entity->get($field_name);
       $field_value = $field_items->getValue();
-      foreach (array_keys($field_items->getFieldDefinition()->getColumns()) as $field_schema_column) {
-        if (isset($schema['fields'][$field_name . '__' . $field_schema_column])) {
-          $values[$field_name . '__' . $field_schema_column] = isset($field_value[0][$field_schema_column]) ? $field_value[0][$field_schema_column] : NULL;
+      foreach ($field_items->getFieldDefinition()->getColumns() as $column_name => $column_info) {
+        if (isset($schema['fields'][$field_name . '__' . $column_name])) {
+          $value = isset($field_value[0][$column_name]) ? $field_value[0][$column_name] : NULL;
+          $values[$field_name . '__' . $column_name] = !empty($column_info['serialize']) ? serialize($value) : $value;
         }
       }
     }
@@ -747,7 +837,15 @@ protected function saveRevision(EntityInterface $entity) {
     $entity->preSaveRevision($this, $record);
 
     if ($entity->isNewRevision()) {
-      drupal_write_record($this->revisionTable, $record);
+      $insert_id = $this->database
+        ->insert($this->revisionTable, array('return' => Database::RETURN_INSERT_ID))
+        ->fields((array) $record)
+        ->execute();
+      // Even if this is a new revsision, the revision ID key might have been
+      // set in which case we should not override the provided revision ID.
+      if (!isset($record->{$this->revisionKey})) {
+        $record->{$this->revisionKey} = $insert_id;
+      }
       if ($entity->isDefaultRevision()) {
         $this->database->update($this->entityType->getBaseTable())
           ->fields(array($this->revisionKey => $record->{$this->revisionKey}))
@@ -756,7 +854,11 @@ protected function saveRevision(EntityInterface $entity) {
       }
     }
     else {
-      drupal_write_record($this->revisionTable, $record, $this->revisionKey);
+      $this->database
+        ->update($this->revisionTable)
+        ->fields((array) $record)
+        ->condition($this->revisionKey, $record->{$this->revisionKey})
+        ->execute();
     }
 
     // Make sure to update the new revision key for the entity.
@@ -1456,4 +1558,28 @@ static public function _fieldColumnName(FieldConfigInterface $field, $column) {
     return in_array($column, FieldConfig::getReservedColumns()) ? $column : $field->getName() . '_' . $column;
   }
 
+  /**
+   * Gets the schema builder for this storage controller.
+   */
+  protected function schemaBuilder() {
+    if (!isset($this->schemaBuilder)) {
+      $this->schemaBuilder = new ContentEntitySchemaHandler($this->entityManager, $this->entityType);
+    }
+    return $this->schemaBuilder;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getTableMapping() {
+    return $this->schemaBuilder()->getTableMapping();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSchema() {
+    return $this->schemaBuilder()->getSchema();
+  }
+
 }
diff --git a/core/lib/Drupal/Core/Entity/Query/Sql/Tables.php b/core/lib/Drupal/Core/Entity/Query/Sql/Tables.php
index ee2bebc..5276c26 100644
--- a/core/lib/Drupal/Core/Entity/Query/Sql/Tables.php
+++ b/core/lib/Drupal/Core/Entity/Query/Sql/Tables.php
@@ -12,6 +12,7 @@
 use Drupal\Core\Entity\ContentEntityDatabaseStorage;
 use Drupal\Core\Entity\Plugin\DataType\EntityReference;
 use Drupal\Core\Entity\Query\QueryException;
+use Drupal\Core\Entity\SqlStorageInterface;
 use Drupal\field\Entity\FieldConfig;
 use Drupal\field\Field as FieldInfo;
 
@@ -35,7 +36,6 @@ class Tables implements TablesInterface {
    */
   protected $entityTables = array();
 
-
   /**
    * Field table array, key is table name, value is alias.
    *
@@ -46,10 +46,18 @@ class Tables implements TablesInterface {
   protected $fieldTables = array();
 
   /**
+   * The entity manager.
+   *
+   * @var \Drupal\Core\Entity\EntityManager
+   */
+  protected $entityManager;
+
+  /**
    * @param \Drupal\Core\Database\Query\SelectInterface $sql_query
    */
   public function __construct(SelectInterface $sql_query) {
     $this->sqlQuery = $sql_query;
+    $this->entityManager = \Drupal::entityManager();
   }
 
   /**
@@ -57,7 +65,6 @@ public function __construct(SelectInterface $sql_query) {
    */
   public function addField($field, $type, $langcode) {
     $entity_type_id = $this->sqlQuery->getMetaData('entity_type');
-    $entity_manager = \Drupal::entityManager();
     $field_info = FieldInfo::fieldInfo();
     $age = $this->sqlQuery->getMetaData('age');
     // This variable ensures grouping works correctly. For example:
@@ -74,7 +81,7 @@ public function addField($field, $type, $langcode) {
     // This will contain the definitions of the last specifier seen by the
     // system.
     $propertyDefinitions = array();
-    $entity_type = $entity_manager->getDefinition($entity_type_id);
+    $entity_type = $this->entityManager->getDefinition($entity_type_id);
     // Use the lightweight and fast field map for checking whether a specifier
     // is a field or not. While calling field_info_field() on every specifier
     // delivers the same information, if no specifiers are using the field API
@@ -141,7 +148,7 @@ public function addField($field, $type, $langcode) {
             if ($bundle_key = $entity_type->getKey('bundle')) {
               $values[$bundle_key] = reset($field_map[$entity_type_id][$field_name]['bundles']);
             }
-            $entity = $entity_manager
+            $entity = $this->entityManager
               ->getStorage($entity_type_id)
               ->create($values);
             $propertyDefinitions = $entity->$field_name->getFieldDefinition()->getPropertyDefinitions();
@@ -174,10 +181,10 @@ public function addField($field, $type, $langcode) {
         $entity_tables = array();
         if ($data_table = $entity_type->getDataTable()) {
           $this->sqlQuery->addMetaData('simple_query', FALSE);
-          $entity_tables[$data_table] = drupal_get_schema($data_table);
+          $entity_tables[$data_table] = $this->getTableSchema($data_table);
         }
         $entity_base_table = $entity_type->getBaseTable();
-        $entity_tables[$entity_base_table] = drupal_get_schema($entity_base_table);
+        $entity_tables[$entity_base_table] = $this->getTableSchema($entity_base_table);
         $sql_column = $specifier;
         $table = $this->ensureEntityTable($index_prefix, $specifier, $type, $langcode, $base_table, $entity_id_field, $entity_tables);
       }
@@ -195,7 +202,7 @@ public function addField($field, $type, $langcode) {
             $bundles = entity_get_bundles($entity_type_id);
             $values[$bundle_key] = key($bundles);
           }
-          $entity = $entity_manager
+          $entity = $this->entityManager
             ->getStorage($entity_type_id)
             ->create($values);
           $propertyDefinitions = $entity->$specifier->getFieldDefinition()->getPropertyDefinitions();
@@ -206,7 +213,7 @@ public function addField($field, $type, $langcode) {
         if (isset($propertyDefinitions[$relationship_specifier]) && $entity->get($specifier)->first()->get('entity') instanceof EntityReference) {
           // If it is, use the entity type.
           $entity_type_id = $propertyDefinitions[$relationship_specifier]->getTargetDefinition()->getEntityTypeId();
-          $entity_type = $entity_manager->getDefinition($entity_type_id);
+          $entity_type = $this->entityManager->getDefinition($entity_type_id);
           // Add the new entity base table using the table and sql column.
           $join_condition= '%alias.' . $entity_type->getKey('id') . " = $table.$sql_column";
           $base_table = $this->sqlQuery->leftJoin($entity_type->getBaseTable(), NULL, $join_condition);
@@ -272,4 +279,26 @@ protected function addJoin($type, $table, $join_condition, $langcode) {
     return $this->sqlQuery->addJoin($type, $table, NULL, $join_condition, $arguments);
   }
 
+  /**
+   * Returns the schema for the given table.
+   *
+   * @param string $table
+   *   The table name.
+   *
+   * @return array|bool
+   *   The schema for the given table or FALSE if not available.
+   */
+  protected function getTableSchema($table) {
+    $entity_type_id = $this->sqlQuery->getMetaData('entity_type');
+    $storage = $this->entityManager->getStorage($entity_type_id);
+    // @todo Stop calling drupal_get_schema() once menu links are converted
+    //   to the Entity Field API. See https://drupal.org/node/1842858.
+    $schema = drupal_get_schema($table);
+    if (!$schema && $storage instanceof SqlStorageInterface) {
+      $storage_schema = $storage->getSchema();
+      $schema = isset($storage_schema[$table]) ? $storage_schema[$table] : FALSE;
+    }
+    return $schema;
+  }
+
 }
diff --git a/core/lib/Drupal/Core/Entity/Schema/ContentEntitySchemaHandler.php b/core/lib/Drupal/Core/Entity/Schema/ContentEntitySchemaHandler.php
new file mode 100644
index 0000000..463e84c
--- /dev/null
+++ b/core/lib/Drupal/Core/Entity/Schema/ContentEntitySchemaHandler.php
@@ -0,0 +1,553 @@
+<?php
+/**
+ * @file
+ * Contains \Drupal\Core\Entity\Schema\ContentEntitySchemaHandler.
+ */
+
+namespace Drupal\Core\Entity\Schema;
+
+use Drupal\Core\Entity\ContentEntityType;
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Field\FieldDefinitionInterface;
+
+/**
+ * An entity schema builder that supports revisionable, translatable entities.
+ */
+class ContentEntitySchemaHandler implements ContentEntitySchemaHandlerInterface {
+
+  /**
+   * The base table layout: no revision or multilingual support for base fields.
+   *
+   * @var int
+   */
+  const LAYOUT_BASE = 0;
+
+  /**
+   * The revision table layout: provides revision support for base fields.
+   *
+   * @var int
+   */
+  const LAYOUT_REV = 1;
+
+  /**
+   * The multilingual table layout: provides multilingual support for base
+   * fields.
+   *
+   * @var int
+   */
+  const LAYOUT_MUL = 2;
+
+  /**
+   * The multilingual revision table layout: provides revision and multilingual
+   * support for base fields.
+   *
+   * @var int
+   */
+  const LAYOUT_MULREV = 3;
+
+  /**
+   * The entity type this schema builder is responsible for.
+   *
+   * @var \Drupal\Core\Entity\ContentEntityType
+   */
+  protected $entityType;
+
+  /**
+   * An array containing the entity type keys.
+   *
+   * @var array
+   */
+  protected $entityKeys;
+
+  /**
+   * The base field definitions for this entity type.
+   *
+   * @var \Drupal\Core\Field\FieldDefinitionInterface[]
+   */
+  protected $fieldDefinitions;
+
+  /**
+   * A mapping of schema fields that will be stored per entity table.
+   *
+   * @var array
+   */
+  protected $tableMapping;
+
+  /**
+   * The table layout associated to the entity type.
+   *
+   * @var int
+   */
+  protected $layoutType;
+
+  /**
+   * A static cache of the generated schema array.
+   *
+   * @var array
+   */
+  protected $schema;
+
+  /**
+   * Constructs a ContentEntitySchemaHandler.
+   *
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
+   * @param \Drupal\Core\Entity\ContentEntityType $entity_type
+   *   The entity type.
+   */
+  public function __construct(EntityManagerInterface $entity_manager, ContentEntityType $entity_type) {
+    $this->entityType = $entity_type;
+    $this->fieldDefinitions = $entity_manager->getBaseFieldDefinitions($entity_type->id());
+
+    $this->entityKeys = array_filter(array(
+      'id' => $this->entityType->getKey('id'),
+      'revision' => $this->entityType->getKey('revision'),
+      'bundle' => $this->entityType->getKey('bundle'),
+      'uuid' => $this->entityType->getKey('uuid'),
+    ));
+    // @todo This will become unnecessary once https://drupal.org/node/2143729
+    //   has landed.
+    if ($this->entityType->getDataTable()) {
+      $this->entityKeys['langcode'] = 'langcode';
+      $this->entityKeys['default_langcode'] = 'default_langcode';
+    }
+  }
+
+  /**
+   * Returns the current layout type.
+   *
+   * @return int
+   *   An integer value identifiying the current layour type.
+   *
+   * @see static::LAYOUT_BASE
+   * @see static::LAYOUT_REV
+   * @see static::LAYOUT_MUL
+   * @see static::LAYOUT_MULREV
+   */
+  public function getLayoutType() {
+    if (!isset($this->layoutType)) {
+      $this->layoutType = static::LAYOUT_BASE;
+      if ($this->entityType->hasKey('revision')) {
+        $this->layoutType |= static::LAYOUT_REV;
+      }
+      if ($this->entityType->isTranslatable()) {
+        $this->layoutType |= static::LAYOUT_MUL;
+      }
+    }
+    return $this->layoutType;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getTableMapping() {
+    if (!isset($this->tableMapping)) {
+      $tables = $this->getTables();
+
+      if (empty($tables)) {
+        $table_mapping = array();
+      }
+      // @todo Remove this. This is currently needed because some entity types
+      //   declare a schema that does not match their field definitions.
+      //   Therefore we use the legacy schema if it's still declared. This
+      //   allows to iteratively enable the automatic schema generation for all
+      //   entity types.
+      elseif ($base_schema = drupal_get_schema($tables['base_table'])) {
+        foreach (array_keys($base_schema['fields']) as $field_name) {
+          $table_mapping['base_table'][$field_name] = array($field_name);
+        }
+        if (isset($tables['revision_table'])) {
+          foreach (array_keys(drupal_get_schema($tables['revision_table'])['fields']) as $field_name) {
+            $table_mapping['revision_table'][$field_name] = array($field_name);
+          }
+        }
+        if (isset($tables['data_table'])) {
+          foreach (array_keys(drupal_get_schema($tables['data_table'])['fields']) as $field_name) {
+            $table_mapping['data_table'][$field_name] = array($field_name);
+          }
+        }
+        if (isset($tables['revision_data_table'])) {
+          foreach (array_keys(drupal_get_schema($tables['revision_data_table'])['fields']) as $field_name) {
+            $table_mapping['revision_data_table'][$field_name] = array($field_name);
+          }
+        }
+      }
+      else {
+        $entity_keys = $this->entityKeys;
+        unset($entity_keys['default_langcode']);
+        $key_fields = array_values($entity_keys);
+
+        $storable_definitions = array_filter($this->fieldDefinitions, function (FieldDefinitionInterface $field_definition) {
+          return !$field_definition->isComputed() && !$field_definition->hasCustomStorage();
+        });
+        $storable_fields = array_keys($storable_definitions);
+
+        // @todo Provide automatic definitions for revision metadata fields.
+        //   Rename 'log' to 'revision_log'.
+        $revision_metadata_fields = array('revision_timestamp', 'revision_uid', 'log');
+        $revisionable_filter_callback = function (FieldDefinitionInterface $definition) { return $definition->isRevisionable(); };
+
+        $this->getLayoutType();
+        switch (TRUE) {
+          // The base layout stores all the base field values in the base table.
+          case $this->layoutType == static::LAYOUT_BASE:
+            $table_mapping['base_table'] = $this->processFields(array_merge($key_fields, array_diff($storable_fields, $key_fields)));
+            break;
+
+          // The base layout stores all the base field values in the base table.
+          // Revisionable fields are also stored in the revision table.
+          case $this->layoutType == static::LAYOUT_REV:
+            $table_mapping['base_table'] = $this->processFields(array_merge($key_fields, array_diff($storable_fields, $key_fields, $revision_metadata_fields)));
+            $revision_key_fields = array($this->entityKeys['id'], $this->entityKeys['revision']);
+            $revisionable_fields = array_keys(array_filter($storable_definitions, $revisionable_filter_callback));
+            $table_mapping['revision_table'] = $this->processFields(array_merge($revision_key_fields, $revisionable_fields));
+            break;
+
+          // Multilingual layouts store key field values in the base table. The
+          // other base field values are stored in the data table, no matter
+          // whether they are translatable or not. The data table holds also a
+          // denormalized copy of the bundle field value to allow for more
+          // performant queries.
+          case $this->layoutType == static::LAYOUT_MUL:
+            $table_mapping['base_table'] = $this->processFields($key_fields);
+            $data_key_fields = array_diff($key_fields, array('uuid'));
+            $data_fields = array_diff($storable_fields, $key_fields);
+            $table_mapping['data_table'] = $this->processFields(array_merge($data_key_fields, $data_fields));
+            break;
+
+          // The revisionable multilingual layout stores key field values in the
+          // base table, except for language, which is stored in the revision
+          // table along with revision metadata. The revision data table holds
+          // data field values for all the available revisions without
+          // denormalizations.
+          case $this->layoutType == static::LAYOUT_MULREV:
+            $table_mapping['base_table'] = $this->processFields(array_diff($key_fields, array($this->entityKeys['langcode'])));
+            $data_key_fields = array_diff($key_fields, array('uuid'));
+            $data_fields = array_diff($storable_fields, $key_fields, $revision_metadata_fields);
+            $table_mapping['data_table'] = $this->processFields(array_merge($data_key_fields, $data_fields));
+            $table_mapping['revision_table'] = $this->processFields(array_merge(array($this->entityKeys['id'], $this->entityKeys['revision'], $this->entityKeys['langcode']), $revision_metadata_fields));
+            $revision_data_key_fields = array_diff($key_fields, array($this->entityKeys['bundle'], $this->entityKeys['uuid']));
+            $revisionable_fields = array_keys(array_filter($storable_definitions, $revisionable_filter_callback));
+            $revision_data_fields = array_diff($revisionable_fields, $revision_metadata_fields, $revision_data_key_fields);
+            $table_mapping['revision_data_table'] = $this->processFields(array_merge($revision_data_key_fields, $revision_data_fields));
+            break;
+        }
+      }
+
+      $this->tableMapping = $table_mapping;
+    }
+
+    return $this->tableMapping;
+  }
+
+  /**
+   * Returns a mapping between field and column names.
+   *
+   * @param array $field_names
+   *   An array of names of fields to map.
+   *
+   * @return array
+   *   An associative array of arrays of column names keyed by field name.
+   */
+  protected function processFields($field_names) {
+    $mapping = array();
+    foreach ($field_names as $field_name) {
+      $columns = isset($this->fieldDefinitions[$field_name]) ? array_keys($this->fieldDefinitions[$field_name]->getColumns()) : array();
+      if (count($columns) > 1) {
+        foreach ($columns as $column) {
+          $mapping[$field_name][] = $field_name . '__' . $column;
+        }
+      }
+      else {
+        $mapping[$field_name] = array($field_name);
+      }
+    }
+    return $mapping;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSchema() {
+    // Prepare basic information about the entity type.
+    $tables = $this->getTables();
+    // If this entity type does not support storage, no schema information can
+    // be collected.
+    if (empty($tables)) {
+      $this->schema[$this->entityType->id()] = NULL;
+    }
+
+    if (!isset($this->schema[$this->entityType->id()])) {
+      // @todo Remove this. This is currently needed because some entity types
+      //   declare a schema that does not match their field definitions.
+      //   Therefore we use the legacy schema if it's still declared. This
+      //   allows to iteratively enable the automatic schema generation for all
+      //   entity types.
+      if ($base_schema = drupal_get_schema($tables['base_table'])) {
+        $schema[$tables['base_table']] = $base_schema;
+        unset($tables['base_table']);
+        foreach ($tables as $table) {
+          $schema[$table] = drupal_get_schema($table);
+        }
+      }
+      else {
+        // Initialize the table schema.
+        $schema[$tables['base_table']] = $this->initializeBaseTable();
+        if (isset($tables['revision_table'])) {
+          $schema[$tables['revision_table']] = $this->initializeRevisionTable();
+        }
+        if (isset($tables['data_table'])) {
+          $schema[$tables['data_table']] = $this->initializeDataTable();
+        }
+        if (isset($tables['revision_data_table'])) {
+          $schema[$tables['revision_data_table']] = $this->initializeRevisionDataTable();
+        }
+
+        // Add the schema from field definitions.
+        foreach ($this->getTableMapping() as $table_key => $field_names) {
+          foreach ($field_names as $field_name => $column_names) {
+            $table = $tables[$table_key];
+            $this->addFieldSchema($schema[$table], $field_name);
+          }
+        }
+
+        // Process tables after having gathered field information.
+        $this->processBaseTable($schema[$tables['base_table']]);
+        if (isset($tables['revision_table'])) {
+          $this->processRevisionTable($schema[$tables['revision_table']]);
+        }
+        if (isset($tables['data_table'])) {
+          $this->processDataTable($schema[$tables['data_table']]);
+        }
+        if (isset($tables['revision_data_table'])) {
+          $this->processRevisionDataTable($schema[$tables['revision_data_table']]);
+        }
+      }
+
+      $this->schema[$this->entityType->id()] = $schema;
+    }
+
+    return $this->schema[$this->entityType->id()];
+  }
+
+  /**
+   * Gets a list of entity type tables.
+   *
+   * @return array
+   *   A list of entity type tables, keyed by table key.
+   */
+  protected function getTables() {
+    return array_filter(array(
+      'base_table' => $this->entityType->getBaseTable(),
+      'revision_table' => $this->entityType->getRevisionTable(),
+      'data_table' => $this->entityType->getDataTable(),
+      'revision_data_table' => $this->entityType->getRevisionDataTable(),
+    ));
+  }
+
+  /**
+   * Returns the schema for a single field definition.
+   *
+   * @param array $schema
+   *   The table schema to add the field schema to, passed by reference.
+   * @param string $field_name
+   *   The name of the field.
+   * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
+   *   The field definition to return the schema for.
+   */
+  protected function addFieldSchema(array &$schema, $field_name) {
+    $field_definition = $this->fieldDefinitions[$field_name];
+    $field_schema = $field_definition->getSchema();
+    if (count($field_schema['columns']) == 1) {
+      $schema['fields'][$field_name] = $field_schema['columns'][$field_definition->getMainPropertyName()];
+      $schema['fields'][$field_name]['description'] = $field_definition->getDescription();
+
+      // Only entity keys are required.
+      $schema['fields'][$field_name]['not null'] = !empty($this->entityKeys[$field_name]);
+
+      if (!empty($field_schema['unique keys'])) {
+        $schema['unique keys'][$field_name] = array($field_name);
+      }
+      if (!empty($field_schema['indexes'])) {
+        // @todo Support indexes specified as an array of column name and
+        //   length.
+        $schema['indexes'][$field_name] = array($field_name);
+      }
+      if (!empty($field_schema['foreign keys'])) {
+        $schema += array('foreign keys' => array());
+        $schema['foreign keys'] += $field_schema['foreign keys'];
+      }
+    }
+    else {
+      foreach ($field_schema['columns'] as $column_name => $column_schema) {
+        // Only entity keys are required.
+        $column_schema['not null'] = !empty($this->entityKeys[$field_name]);
+        $schema['fields'][$field_name . '__' . $column_name] = $column_schema;
+      }
+    }
+
+    // @todo Descriptions, unique keys, indexes and foreign keys.
+  }
+
+  /**
+   * Returns the schema for the 'default_langcode' metadata field.
+   *
+   * @return array
+   *   A schema field array for the 'default_langcode' metadata field.
+   */
+  protected function getDefaultLangcodeSchema() {
+    return array(
+      'description' => 'Boolean indicating whether field values are in the default entity language.',
+      'type' => 'int',
+      'not null' => TRUE,
+      'default' => 1,
+    );
+  }
+
+  /**
+   * Initializes common information for a base table.
+   *
+   * @return array
+   *   A partial schema array for the base table.
+   */
+  protected function initializeBaseTable() {
+    return array(
+      'description' => "The base table for {$this->entityType->id()} entities.",
+      'primary key' => array($this->entityKeys['id']),
+    );
+  }
+
+  /**
+   * Initializes common information for a revision table.
+   *
+   * @return array
+   *   A partial schema array for the revision table.
+   */
+  protected function initializeRevisionTable() {
+    $id_key = $this->entityKeys['id'];
+    return array(
+      'description' => "The revision table for {$this->entityType->id()} entities.",
+      'primary key' => array($this->entityKeys['revision']),
+      'foreign keys' => array(
+        $id_key => array(
+          'table' => $this->entityType->getBaseTable(),
+          'columns' => array($id_key => $id_key),
+        ),
+      ),
+    );
+  }
+
+  /**
+   * Initializes common information for a data table.
+   *
+   * @return array
+   *   A partial schema array for the data table.
+   */
+  protected function initializeDataTable() {
+    $id_key = $this->entityKeys['id'];
+
+    return array(
+      'description' => "The data table for {$this->entityType->id()} entities.",
+      // @todo Use the language entity key when https://drupal.org/node/2143729
+      //   is in.
+      'primary key' => array($id_key, 'langcode'),
+      'foreign keys' => array(
+        $id_key => array(
+          'table' => $this->entityType->getBaseTable(),
+          'columns' => array($id_key => $id_key),
+        ),
+      ),
+    );
+  }
+
+  /**
+   * Initializes common information for a revision data table.
+   *
+   * @return array
+   *   A partial schema array for the revision data table.
+   */
+  protected function initializeRevisionDataTable() {
+    $id_key = $this->entityKeys['id'];
+    $revision_key = $this->entityKeys['revision'];;
+    return array(
+      'description' => "The revision data table for {$this->entityType->id()} entities.",
+      // @todo Use the language entity key when https://drupal.org/node/2143729
+      //   is in.
+      'primary key' => array($revision_key, 'langcode'),
+      'foreign keys' => array(
+        $id_key => array(
+          'table' => $this->entityType->getBaseTable(),
+          'columns' => array($id_key => $id_key),
+        ),
+        $revision_key => array(
+          'table' => $this->entityType->getRevisionTable(),
+          'columns' => array($revision_key => $revision_key),
+        )
+      ),
+    );
+  }
+
+  /**
+   * Processes the gathered schema for a base table.
+   *
+   * @param array $schema
+   *   The table schema, passed by reference.
+   *
+   * @return array
+   *   A partial schema array for the base table.
+   */
+  protected function processBaseTable(array &$schema) {
+    $id_key = $this->entityKeys['id'];
+    // Change the ID field in the base table to 'serial' if it is 'int'.
+    if ($schema['fields'][$id_key]['type'] == 'int') {
+      $schema['fields'][$id_key]['type'] = 'serial';
+      unset($schema['fields'][$id_key]['default']);
+    }
+  }
+
+  /**
+   * Processes the gathered schema for a base table.
+   *
+   * @param array $schema
+   *   The table schema, passed by reference.
+   *
+   * @return array
+   *   A partial schema array for the base table.
+   */
+  protected function processRevisionTable(array &$schema) {
+    $revision_key = $this->entityKeys['revision'];
+    // Change the revision ID field in the revision table 'serial' if it is
+    // 'int'.
+    if ($schema['fields'][$revision_key]['type'] == 'int') {
+      $schema['fields'][$revision_key]['type'] = 'serial';
+      unset($schema['fields'][$revision_key]['default']);
+    }
+  }
+
+  /**
+   * Processes the gathered schema for a base table.
+   *
+   * @param array $schema
+   *   The table schema, passed by reference.
+   *
+   * @return array
+   *   A partial schema array for the base table.
+   */
+  protected function processDataTable(array &$schema) {
+    $schema['fields']['default_langcode'] = $this->getDefaultLangcodeSchema();
+  }
+
+  /**
+   * Processes the gathered schema for a base table.
+   *
+   * @param array $schema
+   *   The table schema, passed by reference.
+   *
+   * @return array
+   *   A partial schema array for the base table.
+   */
+  protected function processRevisionDataTable(array &$schema) {
+    $schema['fields']['default_langcode'] = $this->getDefaultLangcodeSchema();
+  }
+
+}
diff --git a/core/lib/Drupal/Core/Entity/Schema/ContentEntitySchemaHandlerInterface.php b/core/lib/Drupal/Core/Entity/Schema/ContentEntitySchemaHandlerInterface.php
new file mode 100644
index 0000000..0be1b3d
--- /dev/null
+++ b/core/lib/Drupal/Core/Entity/Schema/ContentEntitySchemaHandlerInterface.php
@@ -0,0 +1,31 @@
+<?php
+/**
+ * @file
+ * Contains \Drupal\Core\Entity\Schema\ContentEntitySchemaHandlerInterface.
+ */
+namespace Drupal\Core\Entity\Schema;
+
+/**
+ * A common interface for building the database schema for entities.
+ */
+interface ContentEntitySchemaHandlerInterface {
+
+  /**
+   * Gets a mapping of schema fields that will be stored per entity table.
+   *
+   * @return array
+   *  An nested array where the keys are the names of the entity tables and the
+   *  values are arrays containing the names of the fields that will be stored
+   *  in the respective tables.
+   */
+  public function getTableMapping();
+
+  /**
+   * Gets the full schema array for a given entity type.
+   *
+   * @return array
+   *   A schema array for the entity type's tables.
+   */
+  public function getSchema();
+
+}
diff --git a/core/lib/Drupal/Core/Entity/SqlStorageInterface.php b/core/lib/Drupal/Core/Entity/SqlStorageInterface.php
new file mode 100644
index 0000000..e58075d
--- /dev/null
+++ b/core/lib/Drupal/Core/Entity/SqlStorageInterface.php
@@ -0,0 +1,15 @@
+<?php
+/**
+ * @file
+ * Contains \Drupal\Core\Entity\SqlStorageInterface.
+ */
+
+namespace Drupal\Core\Entity;
+
+use Drupal\Core\Entity\Schema\ContentEntitySchemaHandlerInterface;
+
+/**
+ * A common interface for SQL-based storage controllers.
+ */
+interface SqlStorageInterface extends EntityStorageInterface, ContentEntitySchemaHandlerInterface {
+}
diff --git a/core/modules/comment/lib/Drupal/comment/CommentStorage.php b/core/modules/comment/lib/Drupal/comment/CommentStorage.php
index d05b2c3..ccc6a74 100644
--- a/core/modules/comment/lib/Drupal/comment/CommentStorage.php
+++ b/core/modules/comment/lib/Drupal/comment/CommentStorage.php
@@ -9,6 +9,7 @@
 
 use Drupal\Core\Database\Connection;
 use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Entity\ContentEntityDatabaseStorage;
 use Drupal\field\FieldInfo;
@@ -36,13 +37,15 @@ class CommentStorage extends ContentEntityDatabaseStorage implements CommentStor
    *   An array of entity info for the entity type.
    * @param \Drupal\Core\Database\Connection $database
    *   The database connection to be used.
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
    * @param \Drupal\field\FieldInfo $field_info
    *   The field info service.
    * @param \Drupal\comment\CommentStatisticsInterface $comment_statistics
    *   The comment statistics service.
    */
-  public function __construct(EntityTypeInterface $entity_info, Connection $database, FieldInfo $field_info, CommentStatisticsInterface $comment_statistics) {
-    parent::__construct($entity_info, $database, $field_info);
+  public function __construct(EntityTypeInterface $entity_info, Connection $database, FieldInfo $field_info, EntityManagerInterface $entity_manager, CommentStatisticsInterface $comment_statistics) {
+    parent::__construct($entity_info, $database, $field_info, $entity_manager);
     $this->statistics = $comment_statistics;
   }
 
@@ -54,6 +57,7 @@ public static function createInstance(ContainerInterface $container, EntityTypeI
       $entity_info,
       $container->get('database'),
       $container->get('field.info'),
+      $container->get('entity.manager'),
       $container->get('comment.statistics')
     );
   }
diff --git a/core/modules/entity/entity.module b/core/modules/entity/entity.module
index d01563b..8cea4dd 100644
--- a/core/modules/entity/entity.module
+++ b/core/modules/entity/entity.module
@@ -9,6 +9,7 @@
  */
 
 use Drupal\Core\Config\Entity\ConfigEntityStorage;
+use Drupal\Core\Entity\SqlStorageInterface;
 
 /**
  * Implements hook_help().
@@ -129,16 +130,57 @@ function entity_entity_bundle_delete($entity_type_id, $bundle) {
 }
 
 /**
+ * Implements hook_module_preinstall().
+ */
+function entity_module_preinstall($module) {
+  // Install entity type tables.
+  $entity_manager = \Drupal::entityManager();
+  $entity_manager->clearCachedDefinitions();
+  $schema = \Drupal::database()->schema();
+
+  foreach ($entity_manager->getDefinitions() as $entity_type_id => $entity_type) {
+    if ($entity_type->getProvider() == $module) {
+      $storage = $entity_manager->getStorage($entity_type_id);
+      if ($storage instanceof SqlStorageInterface) {
+        foreach ($storage->getSchema() as $table_name => $table_schema) {
+          // Some test entity types share the same schema so we need a check to
+          // avoid attempting to create the schema more than once, which would
+          // result in an error.
+          // @todo Remove the drupal_get_schema() call once all entity types
+          //   have been converted to an automatic schema.
+          if (!drupal_get_schema($table_name) && !$schema->tableExists($table_name)) {
+            $schema->createTable($table_name, $table_schema);
+          }
+        }
+      }
+    }
+  }
+}
+
+/**
  * Implements hook_module_preuninstall().
  */
 function entity_module_preuninstall($module) {
-  // Clean up all entity bundles (including field instances) of every entity
-  // type provided by the module that is being uninstalled.
-  foreach (\Drupal::entityManager()->getDefinitions() as $entity_type_id => $entity_type) {
+  $entity_manager = \Drupal::entityManager();
+  $schema = \Drupal::database()->schema();
+
+  foreach ($entity_manager->getDefinitions() as $entity_type_id => $entity_type) {
     if ($entity_type->getProvider() == $module) {
-      foreach (array_keys(entity_get_bundles($entity_type_id)) as $bundle) {
+      // Clean up all entity bundles (including field instances) of every entity
+      // type provided by the module that is being uninstalled.
+      foreach (array_keys($entity_manager->getBundleInfo($entity_type_id)) as $bundle) {
         entity_invoke_bundle_hook('delete', $entity_type_id, $bundle);
       }
+
+      // Remove entity tables.
+      $storage = $entity_manager->getStorage($entity_type->id());
+      if ($storage instanceof SqlStorageInterface) {
+        foreach ($storage->getSchema() as $table_name => $table_schema) {
+          if ($schema->tableExists($table_name)) {
+            $schema->dropTable($table_name, $table_schema);
+          }
+        }
+      }
     }
   }
 }
diff --git a/core/modules/shortcut/lib/Drupal/shortcut/Entity/Shortcut.php b/core/modules/shortcut/lib/Drupal/shortcut/Entity/Shortcut.php
index eaf7079..a1001a4 100644
--- a/core/modules/shortcut/lib/Drupal/shortcut/Entity/Shortcut.php
+++ b/core/modules/shortcut/lib/Drupal/shortcut/Entity/Shortcut.php
@@ -95,8 +95,7 @@ public function setRouteName($route_name) {
    * {@inheritdoc}
    */
   public function getRouteParams() {
-    $value = $this->get('route_parameters')->getValue();
-    return reset($value);
+    return $this->get('route_parameters')->getValue();
   }
 
   /**
@@ -170,10 +169,6 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       ->setLabel(t('Language code'))
       ->setDescription(t('The language code of the shortcut.'));
 
-    $fields['default_langcode'] = FieldDefinition::create('boolean')
-      ->setLabel(t('Default language'))
-      ->setDescription(t('Flag to indicate whether this is the default language.'));
-
     $fields['path'] = FieldDefinition::create('string')
       ->setLabel(t('Path'))
       ->setDescription(t('The computed shortcut path.'))
diff --git a/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
index 7737cc8..9585ff7 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/DrupalUnitTestBase.php
@@ -7,8 +7,10 @@
 
 namespace Drupal\simpletest;
 
+use Drupal\Component\Utility\String;
 use Drupal\Core\DependencyInjection\ContainerBuilder;
 use Drupal\Core\DrupalKernel;
+use Drupal\Core\Entity\SqlStorageInterface;
 use Drupal\Core\KeyValueStore\KeyValueMemoryFactory;
 use Drupal\Core\Language\Language;
 use Symfony\Component\DependencyInjection\Reference;
@@ -332,6 +334,36 @@ protected function installSchema($module, $tables) {
   }
 
   /**
+   * Installs the tables for a specific entity type.
+   *
+   * @param string $entity_type_id
+   *   The ID of the entity type.
+   */
+  protected function installEntitySchema($entity_type_id) {
+    /** @var \Drupal\Core\Entity\EntityManagerInterface $entity_manager */
+    $entity_manager = $this->container->get('entity.manager');
+    /** @var \Drupal\Core\Database\Schema $schema_handler */
+    $schema_handler = $this->container->get('database')->schema();
+
+    $storage = $entity_manager->getStorage($entity_type_id);
+    if ($storage instanceof SqlStorageInterface) {
+      $schema = $storage->getSchema();
+      foreach ($schema as $table_name => $table_schema) {
+        $schema_handler->createTable($table_name, $table_schema);
+      }
+      $this->pass(String::format('Installed entity type tables for the %entity_type entity type: %tables', array(
+        '%entity_type' => $entity_type_id,
+        '%tables' => '{' . implode('}, {', array_keys($schema)) . '}',
+      )));
+    }
+    else {
+      throw new \RuntimeException(String::format('Entity type %entity_type does not support automatic schema installation.', array(
+        '%entity-type' => $entity_type_id,
+      )));
+    }
+  }
+
+  /**
    * Enables modules for this test.
    *
    * @param array $modules
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityApiTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityApiTest.php
index a9f0105..5d2364c 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityApiTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityApiTest.php
@@ -25,16 +25,10 @@ public static function getInfo() {
 
   public function setUp() {
     parent::setUp();
-    $this->installSchema('entity_test', array(
-      'entity_test_mul',
-      'entity_test_mul_property_data',
-      'entity_test_rev',
-      'entity_test_rev_revision',
-      'entity_test_mulrev',
-      'entity_test_mulrev_revision',
-      'entity_test_mulrev_property_data',
-      'entity_test_mulrev_property_revision'
-    ));
+
+    $this->installEntitySchema('entity_test_rev');
+    $this->installEntitySchema('entity_test_mul');
+    $this->installEntitySchema('entity_test_mulrev');
   }
 
   /**
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityFieldTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityFieldTest.php
index 61c8c87..7435100 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityFieldTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityFieldTest.php
@@ -42,16 +42,10 @@ public function setUp() {
     parent::setUp();
     $this->installSchema('user', array('users_data'));
     $this->installSchema('node', array('node', 'node_revision', 'node_field_data', 'node_field_revision', 'node_access'));
-    $this->installSchema('entity_test', array(
-      'entity_test_mul',
-      'entity_test_mul_property_data',
-      'entity_test_rev',
-      'entity_test_rev_revision',
-      'entity_test_mulrev',
-      'entity_test_mulrev_revision',
-      'entity_test_mulrev_property_data',
-      'entity_test_mulrev_property_revision'
-    ));
+
+    $this->installEntitySchema('entity_test_rev');
+    $this->installEntitySchema('entity_test_mul');
+    $this->installEntitySchema('entity_test_mulrev');
 
     // Create the test field.
     entity_test_install();
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityLanguageTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityLanguageTestBase.php
index bd2ceb9..db45c92 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityLanguageTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityLanguageTestBase.php
@@ -50,16 +50,10 @@ function setUp() {
 
     $this->languageManager = $this->container->get('language_manager');
 
-    $this->installSchema('entity_test', array(
-      'entity_test_mul',
-      'entity_test_mul_property_data',
-      'entity_test_rev',
-      'entity_test_rev_revision',
-      'entity_test_mulrev',
-      'entity_test_mulrev_revision',
-      'entity_test_mulrev_property_data',
-      'entity_test_mulrev_property_revision',
-    ));
+    $this->installEntitySchema('entity_test_rev');
+    $this->installEntitySchema('entity_test_mul');
+    $this->installEntitySchema('entity_test_mulrev');
+
     $this->installConfig(array('language'));
 
     // Create the test field.
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityQueryTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityQueryTest.php
index 70f180e..4c2220f 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityQueryTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityQueryTest.php
@@ -57,7 +57,9 @@ public static function getInfo() {
 
   function setUp() {
     parent::setUp();
-    $this->installSchema('entity_test', array('entity_test_mulrev', 'entity_test_mulrev_revision', 'entity_test_mulrev_property_data', 'entity_test_mulrev_property_revision'));
+
+    $this->installEntitySchema('entity_test_mulrev');
+
     $this->installConfig(array('language'));
 
     $figures = drupal_strtolower($this->randomName());
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUUIDTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUUIDTest.php
index ec7134c..a0ec726 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUUIDTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUUIDTest.php
@@ -23,16 +23,9 @@ public static function getInfo() {
   public function setUp() {
     parent::setUp();
 
-    $this->installSchema('entity_test', array(
-      'entity_test_mul',
-      'entity_test_mul_property_data',
-      'entity_test_rev',
-      'entity_test_rev_revision',
-      'entity_test_mulrev',
-      'entity_test_mulrev_revision',
-      'entity_test_mulrev_property_data',
-      'entity_test_mulrev_property_revision',
-    ));
+    $this->installEntitySchema('entity_test_rev');
+    $this->installEntitySchema('entity_test_mul');
+    $this->installEntitySchema('entity_test_mulrev');
   }
 
   /**
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php
index 99fe76a..ffeb3c8 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityUnitTestBase.php
@@ -44,7 +44,9 @@ public function setUp() {
 
     $this->installSchema('user', array('users', 'users_roles'));
     $this->installSchema('system', 'sequences');
-    $this->installSchema('entity_test', 'entity_test');
+
+    $this->installEntitySchema('entity_test');
+
     $this->installConfig(array('field'));
   }
 
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityValidationTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityValidationTest.php
index 118abe9..169ab3d 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/EntityValidationTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/EntityValidationTest.php
@@ -38,16 +38,10 @@ public static function getInfo() {
   public function setUp() {
     parent::setUp();
     $this->installSchema('user', array('users_data'));
-    $this->installSchema('entity_test', array(
-      'entity_test_mul',
-      'entity_test_mul_property_data',
-      'entity_test_rev',
-      'entity_test_rev_revision',
-      'entity_test_mulrev',
-      'entity_test_mulrev_revision',
-      'entity_test_mulrev_property_data',
-      'entity_test_mulrev_property_revision'
-    ));
+
+    $this->installEntitySchema('entity_test_rev');
+    $this->installEntitySchema('entity_test_mul');
+    $this->installEntitySchema('entity_test_mulrev');
 
     // Create the test field.
     entity_test_install();
diff --git a/core/modules/system/lib/Drupal/system/Tests/Entity/FieldSqlStorageTest.php b/core/modules/system/lib/Drupal/system/Tests/Entity/FieldSqlStorageTest.php
index 82e63b2..de4aa63 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Entity/FieldSqlStorageTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Entity/FieldSqlStorageTest.php
@@ -66,7 +66,8 @@ public static function getInfo() {
 
   function setUp() {
     parent::setUp();
-    $this->installSchema('entity_test', array('entity_test_rev', 'entity_test_rev_revision'));
+
+    $this->installEntitySchema('entity_test_rev');
     $entity_type = 'entity_test_rev';
 
     $this->field_name = strtolower($this->randomName());
diff --git a/core/modules/system/tests/modules/entity_test/entity_test.install b/core/modules/system/tests/modules/entity_test/entity_test.install
index 9e48029..f2db594 100644
--- a/core/modules/system/tests/modules/entity_test/entity_test.install
+++ b/core/modules/system/tests/modules/entity_test/entity_test.install
@@ -36,406 +36,3 @@ function entity_test_install() {
       ->save();
   }
 }
-
-/**
- * Implements hook_schema().
- */
-function entity_test_schema() {
-  // Schema for simple entity.
-  $schema['entity_test'] = array(
-    'description' => 'Stores entity_test items.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'serial',
-        'not null' => TRUE,
-        'description' => 'Primary Key: Unique entity-test item ID.',
-      ),
-      'uuid' => array(
-        'description' => 'Unique Key: Universally unique identifier for this entity.',
-        'type' => 'varchar',
-        'length' => 128,
-        'not null' => FALSE,
-      ),
-      'type' => array(
-        'description' => 'The bundle of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'langcode' => array(
-        'description' => 'The {language}.langcode of the original variant of this test entity.',
-        'type' => 'varchar',
-        'length' => 12,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'name' => array(
-        'description' => 'The name of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'user_id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => FALSE,
-        'default' => NULL,
-        'description' => 'The {users}.uid of the associated user.',
-      ),
-    ),
-    'primary key' => array('id'),
-    'unique keys' => array(
-      'uuid' => array('uuid'),
-    ),
-  );
-
-  // Schema for entity with revisions.
-  $schema['entity_test_rev'] = array(
-    'description' => 'Stores entity_test_rev items.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'serial',
-        'not null' => TRUE,
-        'description' => 'Primary Key: Unique entity-test item ID.',
-      ),
-      'revision_id' => array(
-        'description' => 'The current {entity_test_rev_property_revision}.revision_id version identifier.',
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-      ),
-      'uuid' => array(
-        'description' => 'Unique Key: Universally unique identifier for this entity.',
-        'type' => 'varchar',
-        'length' => 128,
-        'not null' => FALSE,
-      ),
-      'type' => array(
-        'description' => 'The bundle of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'name' => array(
-        'description' => 'The name of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'user_id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => FALSE,
-        'default' => NULL,
-        'description' => 'The {users}.uid of the associated user.',
-      ),
-    ),
-    'primary key' => array('id'),
-    'unique keys' => array(
-      'uuid' => array('uuid'),
-    ),
-  );
-  $schema['entity_test_rev_revision'] = array(
-    'description' => 'Stores entity_test_rev item property revisions.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'description' => 'The {entity_test_rev}.id of the test entity.',
-      ),
-      'revision_id' => array(
-        'type' => 'serial',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'description' => 'The primary identifier for this version.',
-      ),
-      'langcode' => array(
-        'description' => 'The {language}.langcode of this variant of this test entity.',
-        'type' => 'varchar',
-        'length' => 12,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'name' => array(
-        'description' => 'The name of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'user_id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => FALSE,
-        'default' => NULL,
-        'description' => 'The {users}.uid of the associated user.',
-      ),
-    ),
-    'indexes' => array(
-      'user_id' => array('user_id'),
-    ),
-    'foreign keys' => array(
-      'user_id' => array('users' => 'uid'),
-      'id' => array('entity_test_rev' => 'id'),
-    ),
-    'primary key' => array('revision_id'),
-  );
-
-  // Schema for entity with data table.
-  $schema['entity_test_mul'] = array(
-    'description' => 'Stores entity_test_mul items.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'serial',
-        'not null' => TRUE,
-        'description' => 'Primary Key: Unique entity-test item ID.',
-      ),
-      'uuid' => array(
-        'description' => 'Unique Key: Universally unique identifier for this entity.',
-        'type' => 'varchar',
-        'length' => 128,
-        'not null' => FALSE,
-      ),
-      'type' => array(
-        'description' => 'The bundle of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'langcode' => array(
-        'description' => 'The {language}.langcode of the original variant of this test entity.',
-        'type' => 'varchar',
-        'length' => 12,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-    ),
-    'primary key' => array('id'),
-    'unique keys' => array(
-      'uuid' => array('uuid'),
-    ),
-  );
-  $schema['entity_test_mul_property_data'] = array(
-    'description' => 'Stores entity_test_mul item properties.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'description' => 'The {entity_test_mul}.id of the test entity.',
-      ),
-      'langcode' => array(
-        'description' => 'The {language}.langcode of this variant of this test entity.',
-        'type' => 'varchar',
-        'length' => 12,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'default_langcode' => array(
-        'description' => 'Boolean indicating whether the current variant is in the original entity language.',
-        'type' => 'int',
-        'not null' => TRUE,
-        'default' => 1,
-      ),
-      'name' => array(
-        'description' => 'The name of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => FALSE,
-      ),
-      'user_id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => FALSE,
-        'default' => NULL,
-        'description' => 'The {users}.uid of the associated user.',
-      ),
-    ),
-    'indexes' => array(
-      'user_id' => array('user_id'),
-    ),
-    'foreign keys' => array(
-      'user_id' => array('users' => 'uid'),
-      'id' => array('entity_test_mul' => 'id'),
-    ),
-    'primary key' => array('id', 'langcode'),
-  );
-
-  // Schema for entity with data table and revisions.
-  $schema['entity_test_mulrev'] = array(
-    'description' => 'Stores entity_test_mulrev items.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'serial',
-        'not null' => TRUE,
-        'description' => 'Primary Key: Unique entity-test item ID.',
-      ),
-      'revision_id' => array(
-        'description' => 'The current {entity_test_mulrev_property_revision}.revision_id version identifier.',
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-      ),
-      'uuid' => array(
-        'description' => 'Unique Key: Universally unique identifier for this entity.',
-        'type' => 'varchar',
-        'length' => 128,
-        'not null' => FALSE,
-      ),
-      'type' => array(
-        'description' => 'The bundle of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-    ),
-    'primary key' => array('id'),
-    'unique keys' => array(
-      'uuid' => array('uuid'),
-    ),
-  );
-  $schema['entity_test_mulrev_revision'] = array(
-    'description' => 'Stores entity_test_rev item property revisions.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'description' => 'The {entity_test_rev}.id of the test entity.',
-      ),
-      'revision_id' => array(
-        'type' => 'serial',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'description' => 'The primary identifier for this version.',
-      ),
-      'langcode' => array(
-        'description' => 'The {language}.langcode of this variant of this test entity.',
-        'type' => 'varchar',
-        'length' => 12,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-    ),
-    'foreign keys' => array(
-      'id' => array('entity_test_rev' => 'id'),
-    ),
-    'primary key' => array('revision_id'),
-  );
-  $schema['entity_test_mulrev_property_data'] = array(
-    'description' => 'Stores entity_test_mulrev item properties.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'description' => 'The {entity_test_mulrev}.id of the test entity.',
-      ),
-      'revision_id' => array(
-        'description' => 'The current {entity_test_mulrev_property_revision}.revision_id version identifier.',
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'default' => 0,
-      ),
-      'langcode' => array(
-        'description' => 'The {language}.langcode of this variant of this test entity.',
-        'type' => 'varchar',
-        'length' => 12,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'default_langcode' => array(
-        'description' => 'Boolean indicating whether the current variant is in the original entity language.',
-        'type' => 'int',
-        'not null' => TRUE,
-        'default' => 1,
-      ),
-      'name' => array(
-        'description' => 'The name of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'user_id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => FALSE,
-        'default' => NULL,
-        'description' => 'The {users}.uid of the associated user.',
-      ),
-    ),
-    'indexes' => array(
-      'user_id' => array('user_id'),
-    ),
-    'foreign keys' => array(
-      'user_id' => array('users' => 'uid'),
-      'id' => array('entity_test_mulrev' => 'id'),
-    ),
-    'primary key' => array('id', 'langcode'),
-  );
-  $schema['entity_test_mulrev_property_revision'] = array(
-    'description' => 'Stores entity_test_mulrev item property revisions.',
-    'fields' => array(
-      'id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'description' => 'The {entity_test_mulrev}.id of the test entity.',
-      ),
-      'revision_id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => TRUE,
-        'description' => 'The primary identifier for this version.',
-      ),
-      'langcode' => array(
-        'description' => 'The {language}.langcode of this variant of this test entity.',
-        'type' => 'varchar',
-        'length' => 12,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'default_langcode' => array(
-        'description' => 'Boolean indicating whether the current variant is in the original entity language.',
-        'type' => 'int',
-        'not null' => TRUE,
-        'default' => 1,
-      ),
-      'name' => array(
-        'description' => 'The name of the test entity.',
-        'type' => 'varchar',
-        'length' => 32,
-        'not null' => TRUE,
-        'default' => '',
-      ),
-      'user_id' => array(
-        'type' => 'int',
-        'unsigned' => TRUE,
-        'not null' => FALSE,
-        'default' => NULL,
-        'description' => 'The {users}.uid of the associated user.',
-      ),
-    ),
-    'indexes' => array(
-      'user_id' => array('user_id'),
-    ),
-    'foreign keys' => array(
-      'user_id' => array('users' => 'uid'),
-      'id' => array('entity_test_mulrev' => 'id'),
-    ),
-    'primary key' => array('revision_id', 'langcode'),
-  );
-
-  return $schema;
-}
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTest.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTest.php
index 55a1611..bc2d36a 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTest.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTest.php
@@ -86,7 +86,8 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
     $fields['type'] = FieldDefinition::create('string')
       ->setLabel(t('Type'))
       ->setDescription(t('The bundle of the test entity.'))
-      ->setRequired(TRUE);
+      ->setRequired(TRUE)
+      ->setSetting('max_length', 32);
 
     $fields['user_id'] = FieldDefinition::create('entity_reference')
       ->setLabel(t('User ID'))
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestBaseFieldDisplay.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestBaseFieldDisplay.php
index c76cff7..6b7100a 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestBaseFieldDisplay.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestBaseFieldDisplay.php
@@ -28,7 +28,6 @@
  *   entity_keys = {
  *     "id" = "id",
  *     "uuid" = "uuid",
- *     "revision" = "revision_id",
  *     "bundle" = "type"
  *   },
  *   links = {
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestLabelCallback.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestLabelCallback.php
index 481711f..e881b9a 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestLabelCallback.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestLabelCallback.php
@@ -15,7 +15,6 @@
  *   label = @Translation("Entity test label callback"),
  *   field_cache = FALSE,
  *   base_table = "entity_test",
- *   revision_table = "entity_test_revision",
  *   label_callback = "entity_test_label_callback",
  *   fieldable = TRUE,
  *   entity_keys = {
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestMul.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestMul.php
index 49f7d5f..bec368c 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestMul.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestMul.php
@@ -44,17 +44,4 @@
  */
 class EntityTestMul extends EntityTest {
 
-  /**
-   * {@inheritdoc}
-   */
-  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
-    $fields = parent::baseFieldDefinitions($entity_type);
-
-    $fields['default_langcode'] = FieldDefinition::create('boolean')
-      ->setLabel(t('Default language'))
-      ->setDescription(t('Flag to indicate whether this is the default language.'));
-
-    return $fields;
-  }
-
 }
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestMulRev.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestMulRev.php
index 870af93..d1ea8da 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestMulRev.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestMulRev.php
@@ -44,22 +44,4 @@
  */
 class EntityTestMulRev extends EntityTestRev {
 
-  /**
-   * {@inheritdoc}
-   */
-  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
-    $fields = parent::baseFieldDefinitions($entity_type);
-
-    $fields['revision_id'] = FieldDefinition::create('integer')
-      ->setLabel(t('Revision ID'))
-      ->setDescription(t('The version id of the test entity.'))
-      ->setReadOnly(TRUE);
-
-    $fields['default_langcode'] = FieldDefinition::create('boolean')
-      ->setLabel(t('Default language'))
-      ->setDescription(t('Flag to indicate whether this is the default language.'));
-
-    return $fields;
-  }
-
 }
diff --git a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestRev.php b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestRev.php
index b6b660e..6f98e44 100644
--- a/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestRev.php
+++ b/core/modules/system/tests/modules/entity_test/lib/Drupal/entity_test/Entity/EntityTestRev.php
@@ -60,6 +60,25 @@ public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
       ->setDescription(t('The version id of the test entity.'))
       ->setReadOnly(TRUE);
 
+    $fields['revision_timestamp'] = FieldDefinition::create('timestamp')
+      ->setLabel(t('Revision timestamp'))
+      ->setDescription(t('The time that the current revision was created.'))
+      ->setQueryable(FALSE)
+      ->setRevisionable(TRUE);
+
+    $fields['revision_uid'] = FieldDefinition::create('entity_reference')
+      ->setLabel(t('Revision user ID'))
+      ->setDescription(t('The user ID of the author of the current revision.'))
+      ->setSettings(array('target_type' => 'user'))
+      ->setQueryable(FALSE)
+      ->setRevisionable(TRUE);
+
+    $fields['log'] = FieldDefinition::create('string')
+      ->setLabel(t('Log'))
+      ->setDescription(t('The log entry explaining the changes in this revision.'))
+      ->setRevisionable(TRUE)
+      ->setTranslatable(TRUE);
+
     $fields['langcode']->setRevisionable(TRUE);
     $fields['name']->setRevisionable(TRUE);
     $fields['user_id']->setRevisionable(TRUE);
diff --git a/core/modules/user/lib/Drupal/user/UserStorage.php b/core/modules/user/lib/Drupal/user/UserStorage.php
index d3f4990..81266b4 100644
--- a/core/modules/user/lib/Drupal/user/UserStorage.php
+++ b/core/modules/user/lib/Drupal/user/UserStorage.php
@@ -9,7 +9,9 @@
 
 use Drupal\Component\Uuid\UuidInterface;
 use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityManagerInterface;
 use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Entity\Schema\ContentEntitySchemaHandlerInterface;
 use Drupal\Core\Password\PasswordInterface;
 use Drupal\Core\Database\Connection;
 use Drupal\field\FieldInfo;
@@ -48,15 +50,17 @@ class UserStorage extends ContentEntityDatabaseStorage implements UserStorageInt
    *   The database connection to be used.
    * @param \Drupal\field\FieldInfo $field_info
    *   The field info service.
-   * @param \Drupal\Component\Uuid\UuidInterface $uuid_service
-   *   The UUID Service.
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
+   * @param \Drupal\Core\Entity\Schema\ContentEntitySchemaHandlerInterface $schema_builder
+   *   The entity schema builder.
    * @param \Drupal\Core\Password\PasswordInterface $password
    *   The password hashing service.
    * @param \Drupal\user\UserDataInterface $user_data
    *   The user data service.
    */
-  public function __construct(EntityTypeInterface $entity_type, Connection $database, FieldInfo $field_info, UuidInterface $uuid_service, PasswordInterface $password, UserDataInterface $user_data) {
-    parent::__construct($entity_type, $database, $field_info, $uuid_service);
+  public function __construct(EntityTypeInterface $entity_type, Connection $database, FieldInfo $field_info, EntityManagerInterface $entity_manager, PasswordInterface $password, UserDataInterface $user_data) {
+    parent::__construct($entity_type, $database, $field_info, $entity_manager);
 
     $this->password = $password;
     $this->userData = $user_data;
@@ -70,7 +74,7 @@ public static function createInstance(ContainerInterface $container, EntityTypeI
       $entity_type,
       $container->get('database'),
       $container->get('field.info'),
-      $container->get('uuid'),
+      $container->get('entity.manager'),
       $container->get('password'),
       $container->get('user.data')
     );
