diff --git a/core/modules/media/src/Entity/Media.php b/core/modules/media/src/Entity/Media.php
index d175572450..d264c1889e 100644
--- a/core/modules/media/src/Entity/Media.php
+++ b/core/modules/media/src/Entity/Media.php
@@ -85,6 +85,35 @@ class Media extends EditorialContentEntityBase implements MediaInterface {
 
   use StringTranslationTrait;
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getName() {
+    $name = $this->get('name');
+
+    if ($name->isEmpty()) {
+      $media_source = $this->getSource();
+      return $media_source->getMetadata($this, $media_source->getPluginDefinition()['default_name_metadata_attribute']);
+    }
+    else {
+      return $name->value;
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function label() {
+    return $this->getName();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setName($name) {
+    return $this->set('name', $name);
+  }
+
   /**
    * {@inheritdoc}
    */
@@ -288,10 +317,9 @@ public function preSave(EntityStorageInterface $storage) {
           }
         }
 
-        // Try to set a default name for this media item if no label is
-        // provided.
-        if (!$translation->label()) {
-          $translation->set('name', $media_source->getMetadata($translation, $media_source->getPluginDefinition()['default_name_metadata_attribute']));
+        // Try to set a default name for this media item if no name is provided.
+        if ($translation->get('name')->isEmpty()) {
+          $translation->setName($translation->getName());
         }
 
         // Set thumbnail.
diff --git a/core/modules/media/src/MediaInterface.php b/core/modules/media/src/MediaInterface.php
index 70644418ed..912bf97f3e 100644
--- a/core/modules/media/src/MediaInterface.php
+++ b/core/modules/media/src/MediaInterface.php
@@ -13,6 +13,24 @@
  */
 interface MediaInterface extends ContentEntityInterface, EntityChangedInterface, RevisionLogInterface, EntityOwnerInterface, EntityPublishedInterface {
 
+  /**
+   * Gets the media item name.
+   *
+   * @return string
+   *   The name of the media item.
+   */
+  public function getName();
+
+  /**
+   * Sets the media item name.
+   *
+   * @param string $name
+   *   The name of the media item.
+   *
+   * @return $this
+   */
+  public function setName($name);
+
   /**
    * Returns the media item creation timestamp.
    *
diff --git a/core/modules/media/tests/src/Functional/MediaRevisionTest.php b/core/modules/media/tests/src/Functional/MediaRevisionTest.php
index 9ce5f9e384..b8ff7c556c 100644
--- a/core/modules/media/tests/src/Functional/MediaRevisionTest.php
+++ b/core/modules/media/tests/src/Functional/MediaRevisionTest.php
@@ -65,7 +65,7 @@ public function testRevisions() {
     $assert->statusCodeEquals(200);
 
     // Confirm the revision page shows the correct title.
-    $assert->pageTextContains($media->label());
+    $assert->pageTextContains($media->getName());
 
     // Confirm that the last revision is the default revision.
     $this->assertTrue($media->isDefaultRevision(), 'Last revision is the default.');
@@ -168,7 +168,7 @@ public function testImageMediaRevision() {
    *   A media object with up to date revision information.
    */
   protected function createMediaRevision(MediaInterface $media) {
-    $media->set('name', $this->randomMachineName());
+    $media->setName($this->randomMachineName());
     $media->setNewRevision();
     $media->save();
     return $media;
diff --git a/core/modules/media/tests/src/Functional/MediaUiFunctionalTest.php b/core/modules/media/tests/src/Functional/MediaUiFunctionalTest.php
index 4caab94083..74ac67c20e 100644
--- a/core/modules/media/tests/src/Functional/MediaUiFunctionalTest.php
+++ b/core/modules/media/tests/src/Functional/MediaUiFunctionalTest.php
@@ -67,7 +67,7 @@ public function testMediaWithOnlyOneMediaType() {
       ->getStorage('media')
       ->loadUnchanged($media_id);
     $this->assertEquals($media->getRevisionLogMessage(), $revision_log_message);
-    $this->assertEquals($media->label(), $media_name);
+    $this->assertEquals($media->getName(), $media_name);
     $assert_session->titleEquals($media_name . ' | Drupal');
 
     // Tests media edit form.
@@ -83,7 +83,7 @@ public function testMediaWithOnlyOneMediaType() {
     $media = $this->container->get('entity_type.manager')
       ->getStorage('media')
       ->loadUnchanged($media_id);
-    $this->assertEquals($media->label(), $media_name2);
+    $this->assertEquals($media->getName(), $media_name2);
     $assert_session->titleEquals($media_name2 . ' | Drupal');
 
     // Test that there is no empty vertical tabs element, if the container is
@@ -171,12 +171,12 @@ public function testMediaWithMultipleMediaTypes() {
     // Go to first media item.
     $this->drupalGet('media/' . $first_media_item->id());
     $assert_session->statusCodeEquals(200);
-    $assert_session->pageTextContains($first_media_item->label());
+    $assert_session->pageTextContains($first_media_item->getName());
 
     // Go to second media item.
     $this->drupalGet('media/' . $second_media_item->id());
     $assert_session->statusCodeEquals(200);
-    $assert_session->pageTextContains($second_media_item->label());
+    $assert_session->pageTextContains($second_media_item->getName());
   }
 
 }
diff --git a/core/modules/media/tests/src/FunctionalJavascript/MediaSourceFileTest.php b/core/modules/media/tests/src/FunctionalJavascript/MediaSourceFileTest.php
index 6cc7936fe5..e32627d1d1 100644
--- a/core/modules/media/tests/src/FunctionalJavascript/MediaSourceFileTest.php
+++ b/core/modules/media/tests/src/FunctionalJavascript/MediaSourceFileTest.php
@@ -57,7 +57,7 @@ public function testMediaFileSource() {
 
     // Load the media and check if the label was properly populated.
     $media = Media::load(1);
-    $this->assertEquals($test_filename, $media->label());
+    $this->assertEquals($test_filename, $media->getName());
 
     // Test the MIME type icon.
     $icon_base = \Drupal::config('media.settings')->get('icon_base_uri');
diff --git a/core/modules/media/tests/src/FunctionalJavascript/MediaSourceImageTest.php b/core/modules/media/tests/src/FunctionalJavascript/MediaSourceImageTest.php
index 33fe10d8e5..dd9944281b 100644
--- a/core/modules/media/tests/src/FunctionalJavascript/MediaSourceImageTest.php
+++ b/core/modules/media/tests/src/FunctionalJavascript/MediaSourceImageTest.php
@@ -72,7 +72,7 @@ public function testMediaImageSource() {
 
     // Load the media and check that all fields are properly populated.
     $media = Media::load(1);
-    $this->assertEquals('example_1.jpeg', $media->label());
+    $this->assertEquals('example_1.jpeg', $media->getName());
     $this->assertEquals('200', $media->get('field_string_width')->value);
     $this->assertEquals('89', $media->get('field_string_height')->value);
   }
diff --git a/core/modules/media/tests/src/Kernel/MediaCreationTest.php b/core/modules/media/tests/src/Kernel/MediaCreationTest.php
index 123470341b..baf837f2c2 100644
--- a/core/modules/media/tests/src/Kernel/MediaCreationTest.php
+++ b/core/modules/media/tests/src/Kernel/MediaCreationTest.php
@@ -50,7 +50,7 @@ public function testMediaEntityCreation() {
 
     $this->assertInstanceOf(MediaInterface::class, Media::load($media->id()), 'The new media item has not been created in the database.');
     $this->assertEquals($this->testMediaType->id(), $media->bundle(), 'The media item was not created with the correct type.');
-    $this->assertEquals('Unnamed', $media->label(), 'The media item was not created with the correct name.');
+    $this->assertEquals('Unnamed', $media->getName(), 'The media item was not created with the correct name.');
     $source_field_name = $media->bundle->entity->getSource()->getSourceFieldDefinition($media->bundle->entity)->getName();
     $this->assertEquals('Nation of sheep, ruled by wolves, owned by pigs.', $media->get($source_field_name)->value, 'Source returns incorrect source field value.');
   }
diff --git a/core/modules/media/tests/src/Kernel/MediaSourceTest.php b/core/modules/media/tests/src/Kernel/MediaSourceTest.php
index 90f6f2b592..fc30326fb1 100644
--- a/core/modules/media/tests/src/Kernel/MediaSourceTest.php
+++ b/core/modules/media/tests/src/Kernel/MediaSourceTest.php
@@ -25,8 +25,11 @@ public function testDefaultName() {
     $media_source = $media->getSource();
     $this->assertEquals('default_name', $media_source->getPluginDefinition()['default_name_metadata_attribute'], 'Default metadata attribute is not used for the default name.');
     $this->assertEquals('media:' . $media->bundle() . ':' . $media->uuid(), $media_source->getMetadata($media, 'default_name'), 'Value of the default name metadata attribute does not look correct.');
+    $this->assertEquals('media:' . $media->bundle() . ':' . $media->uuid(), $media->getName(), 'Default name was not used correctly by getName().');
+    $this->assertEquals($media->getName(), $media->label(), 'Default name and label are not the same.');
     $media->save();
-    $this->assertEquals('media:' . $media->bundle() . ':' . $media->uuid(), $media->label(), 'Default name was not set correctly.');
+    $this->assertEquals('media:' . $media->bundle() . ':' . $media->uuid(), $media->getName(), 'Default name was not saved correctly.');
+    $this->assertEquals($media->getName(), $media->label(), 'The label changed during save.');
 
     // Make sure that the user-supplied name is used.
     /** @var \Drupal\media\MediaInterface $media */
@@ -39,7 +42,8 @@ public function testDefaultName() {
     $this->assertEquals('default_name', $media_source->getPluginDefinition()['default_name_metadata_attribute'], 'Default metadata attribute is not used for the default name.');
     $this->assertEquals('media:' . $media->bundle() . ':' . $media->uuid(), $media_source->getMetadata($media, 'default_name'), 'Value of the default name metadata attribute does not look correct.');
     $media->save();
-    $this->assertEquals($name, $media->label(), 'User-supplied name was not set correctly.');
+    $this->assertEquals($name, $media->getName(), 'User-supplied name was not set correctly.');
+    $this->assertEquals($media->getName(), $media->label(), 'The user-supplied name does not match the label.');
 
     // Change the default name attribute and see if it is used to set the name.
     $name = 'Old Major';
@@ -51,7 +55,8 @@ public function testDefaultName() {
     $this->assertEquals('alternative_name', $media_source->getPluginDefinition()['default_name_metadata_attribute'], 'Correct metadata attribute is not used for the default name.');
     $this->assertEquals($name, $media_source->getMetadata($media, 'alternative_name'), 'Value of the default name metadata attribute does not look correct.');
     $media->save();
-    $this->assertEquals($name, $media->label(), 'Default name was not set correctly.');
+    $this->assertEquals($name, $media->getName(), 'Default name was not set correctly.');
+    $this->assertEquals($media->getName(), $media->label(), 'The default name does not match the label.');
   }
 
   /**
@@ -263,7 +268,7 @@ public function testThumbnail() {
       'field_media_test' => 'some_value',
     ]);
     $media->save();
-    $this->assertEquals('Boxer', $media->label(), 'Correct name was not set on the media entity.');
+    $this->assertEquals('Boxer', $media->getName(), 'Correct name was not set on the media entity.');
     $this->assertEquals('This will be title.', $media->thumbnail->title, 'Title text was not set on the thumbnail.');
     $this->assertEquals('This will be alt.', $media->thumbnail->alt, 'Alt text was not set on the thumbnail.');
   }
@@ -293,7 +298,7 @@ public function testConstraints() {
     $this->assertEquals('Inappropriate text.', $violations->get(0)->getMessage(), 'Incorrect constraint validation message found.');
 
     // Fix the violation and make sure it is not reported anymore.
-    $media->set('name', 'I love Drupal!');
+    $media->setName('I love Drupal!');
     $violations = $media->validate();
     $this->assertCount(0, $violations, 'Expected number of validations not found.');
 
@@ -301,6 +306,7 @@ public function testConstraints() {
     $this->assertEmpty($media->id(), 'Entity ID was found.');
     $media->save();
     $this->assertNotEmpty($media->id(), 'Entity ID was not found.');
+    $this->assertSame($media->getName(), 'I love Drupal!');
 
     // Test source field constraints.
     \Drupal::state()->set('media_source_test_field_constraints', [
diff --git a/core/modules/views/src/ViewExecutable.php b/core/modules/views/src/ViewExecutable.php
index f13c0e752d..a4d653ab81 100644
--- a/core/modules/views/src/ViewExecutable.php
+++ b/core/modules/views/src/ViewExecutable.php
@@ -2,6 +2,7 @@
 
 namespace Drupal\views;
 
+use Drupal\Component\Render\FormattableMarkup;
 use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\Tags;
 use Drupal\Core\Routing\RouteProviderInterface;
@@ -799,7 +800,7 @@ public function setDisplay($display_id = NULL) {
 
     // Ensure the requested display exists.
     if (!$this->displayHandlers->has($display_id)) {
-      debug(format_string('setDisplay() called with invalid display ID "@display".', ['@display' => $display_id]));
+      trigger_error(new FormattableMarkup('setDisplay() called with invalid display ID "@display".', ['@display' => $display_id]));
       return FALSE;
     }
 
diff --git a/core/modules/views/tests/src/Kernel/ViewExecutableTest.php b/core/modules/views/tests/src/Kernel/ViewExecutableTest.php
index a568363bb9..4c1f3a1f48 100644
--- a/core/modules/views/tests/src/Kernel/ViewExecutableTest.php
+++ b/core/modules/views/tests/src/Kernel/ViewExecutableTest.php
@@ -196,8 +196,12 @@ public function testSetDisplayWithInvalidDisplay() {
     $view->initDisplay();
 
     // Error is triggered while calling the wrong display.
-    $this->setExpectedException(\PHPUnit_Framework_Error::class);
-    $view->setDisplay('invalid');
+    try {
+      $view->setDisplay('invalid');
+    }
+    catch (\PHPUnit_Framework_Error $e) {
+      $this->assertEquals('setDisplay() called with invalid display ID "invalid".', $e->getMessage());
+    }
 
     $this->assertEqual($view->current_display, 'default', 'If setDisplay is called with an invalid display id the default display should be used.');
     $this->assertEqual(spl_object_hash($view->display_handler), spl_object_hash($view->displayHandlers->get('default')));