diff --git a/core/lib/Drupal/Core/FileUsage/DatabaseFileUsageBackend.php b/core/lib/Drupal/Core/FileUsage/DatabaseFileUsageBackend.php
index 2a2b7c2..24662ac 100644
--- a/core/lib/Drupal/Core/FileUsage/DatabaseFileUsageBackend.php
+++ b/core/lib/Drupal/Core/FileUsage/DatabaseFileUsageBackend.php
@@ -17,23 +17,39 @@
 class DatabaseFileUsageBackend extends FileUsageBase {
 
   /**
+   * The database connection used to store file usage information.
+   *
+   * @var Drupal\Core\Database\Connection
+   */
+  protected $connection;
+
+  /**
+   * The name of the SQL table used to store file usage information.
+   *
+   * @var string
+   */
+  protected $tableName;
+
+  /**
    * Construct the DatabaseFileUsageBackend.
    *
    * @param Drupal\Core\Database\Connection $connection
-   *   The database connection which will be used to store the route
+   *   The database connection which will be used to store the file usage
    *   information.
    * @param string $table
-   *   (optional) The table to store the route info in. Defaults to 'router'.
+   *   (optional) The table to store file usage info. Defaults to 'file_usage'.
    */
-  public function __construct(Connection $connection) {
+  public function __construct(Connection $connection, $table = 'file_usage') {
     $this->connection = $connection;
+
+    $this->tableName = $table;
   }
 
   /**
    * Implements Drupal\Core\FileUsage\FileUsageInterface::add().
    */
   public function add(File $file, $module, $type, $id, $count = 1) {
-    $this->connection->merge('file_usage')
+    $this->connection->merge($this->tableName)
       ->key(array(
         'fid' => $file->fid,
         'module' => $module,
@@ -52,7 +68,7 @@ public function add(File $file, $module, $type, $id, $count = 1) {
    */
   public function delete(File $file, $module, $type = NULL, $id = NULL, $count = 1) {
     // Delete rows that have a exact or less value to prevent empty rows.
-    $query = $this->connection->delete('file_usage')
+    $query = $this->connection->delete($this->tableName)
       ->condition('module', $module)
       ->condition('fid', $file->fid);
     if ($type && $id) {
@@ -67,7 +83,7 @@ public function delete(File $file, $module, $type = NULL, $id = NULL, $count = 1
 
     // If the row has more than the specified count decrement it by that number.
     if (!$result && $count > 0) {
-      $query = $this->connection->update('file_usage')
+      $query = $this->connection->update($this->tableName)
         ->condition('module', $module)
         ->condition('fid', $file->fid);
       if ($type && $id) {
@@ -86,7 +102,7 @@ public function delete(File $file, $module, $type = NULL, $id = NULL, $count = 1
    * Implements Drupal\Core\FileUsage\FileUsageInterface::listUsage().
    */
   public function listUsage(File $file) {
-    $result = $this->connection->select('file_usage', 'f')
+    $result = $this->connection->select($this->tableName, 'f')
       ->fields('f', array('module', 'type', 'id', 'count'))
       ->condition('fid', $file->fid)
       ->condition('count', 0, '>')