Move MediaControlsMediaEventListener to modules/media_controls/.

third_party/WebKit/Source/modules/media_controls/MediaControlsImpl.h

Index: third_party/WebKit/Source/modules/media_controls/MediaControlsImpl.h
diff --git a/third_party/WebKit/Source/modules/media_controls/MediaControlsImpl.h b/third_party/WebKit/Source/modules/media_controls/MediaControlsImpl.h
index e1f6f1788198becd4bb70e21cd61f503d8d13508..3a24a5f16f461854fa224f03a158b223e49ed6c2 100644
--- a/third_party/WebKit/Source/modules/media_controls/MediaControlsImpl.h
+++ b/third_party/WebKit/Source/modules/media_controls/MediaControlsImpl.h
@@ -105,21 +105,6 @@ class MODULES_EXPORT MediaControlsImpl final : public HTMLDivElement,
     // There is no update because only the overlay is expected to change.
     RefreshCastButtonVisibilityWithoutUpdate();
   }
-  // Methods called by MediaControlsMediaEventListener.
-  void OnVolumeChange() override;
-  void OnFocusIn() override;
-  void OnTimeUpdate() override;
-  void OnDurationChange() override;
-  void OnPlay() override;
-  void OnPlaying() override;
-  void OnPause() override;
-  void OnTextTracksAddedOrRemoved() override;
-  void OnTextTracksChanged() override;
-  void OnError() override;
-  void OnLoadedMetadata() override;
-  void OnEnteredFullscreen() override;
-  void OnExitedFullscreen() override;
-  void OnPanelKeypress() override;
   Document& OwnerDocument() { return GetDocument(); }
 
   DECLARE_VIRTUAL_TRACE();
@@ -195,6 +180,22 @@ class MODULES_EXPORT MediaControlsImpl final : public HTMLDivElement,
   void RefreshCastButtonVisibility();
   void RefreshCastButtonVisibilityWithoutUpdate();
 
+  // Methods called by MediaControlsMediaEventListener.
+  void OnVolumeChange();
+  void OnFocusIn();
+  void OnTimeUpdate();
+  void OnDurationChange();
+  void OnPlay();
+  void OnPlaying();
+  void OnPause();
+  void OnTextTracksAddedOrRemoved();
+  void OnTextTracksChanged();
+  void OnError();
+  void OnLoadedMetadata();
+  void OnEnteredFullscreen();
+  void OnExitedFullscreen();
+  void OnPanelKeypress();
+
   // Media control elements.
   Member<MediaControlOverlayEnclosureElement> overlay_enclosure_;
   Member<MediaControlOverlayPlayButtonElement> overlay_play_button_;