Move MediaControlsWindowEventListener to modules/media_controls/.

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

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 69 matching lines @@
   void OnDisableRemotePlaybackAttributeChanged() override {
     RefreshCastButtonVisibility();
   }
   // Notify us that the media element's network state has changed.
   void NetworkStateChanged() override;
   LayoutObject* PanelLayoutObject() override;
   LayoutObject* ContainerLayoutObject() override;
   // Return the internal elements, which is used by registering clicking
   // EventHandlers from MediaControlsWindowEventListener.
   MediaControlPanelElement* PanelElement() override { return panel_; }
-  MediaControlTimelineElement* TimelineElement() override { return timeline_; }
-  MediaControlCastButtonElement* CastButtonElement() override {
-    return cast_button_;
-  }
-  MediaControlVolumeSliderElement* VolumeSliderElement() override {
-    return volume_slider_;
-  }
   void BeginScrubbing() override;
   void EndScrubbing() override;
   void UpdateCurrentTimeDisplay() override;
   void ToggleTextTrackList() override;
-  void ShowTextTrackAtIndex(unsigned index_to_enable) override;
+  void ShowTextTrackAtIndex(unsigned) override;
   void DisableShowingTextTracks() override;
   // Called by the fullscreen buttons to toggle fulllscreen on/off.
   void EnterFullscreen() override;
   void ExitFullscreen() override;
   void ShowOverlayCastButtonIfNeeded() override;
   void ToggleOverflowMenu() override;
   bool OverflowMenuVisible() override;
   // TODO(mlamouri): this method is needed in order to notify the controls that
   // the `MediaControlsEnabled` setting has changed.
   void OnMediaControlsEnabledChange() override {
@@ skipping 13 matching lines @@
   void OnError() override;
   void OnLoadedMetadata() override;
   void OnEnteredFullscreen() override;
   void OnExitedFullscreen() override;
   void OnPanelKeypress() override;
   Document& OwnerDocument() { return GetDocument(); }
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
+  // MediaControlsMediaEventListener is a component that is listening to events
+  // and calling the appropriate callback on MediaControlsImpl. The object is
+  // split from MedaiControlsImpl to reduce boilerplate and ease reading. In
+  // order to not expose accessors only for this component, a friendship is
+  // declared.
   friend class MediaControlsMediaEventListener;
+  // Same as above but handles the menus hiding when the window is interacted
+  // with, allowing MediaControlsImpl to not have the boilerplate.
+  friend class MediaControlsWindowEventListener;
+
+  // For tests.
   friend class MediaControlsOrientationLockDelegateTest;
   friend class MediaControlsImplTest;
 
   // Need to be members of MediaControls for private member access.
   class BatchedControlUpdate;
   class MediaControlsResizeObserverCallback;
 
   static MediaControlsImpl* Create(HTMLMediaElement&, ShadowRoot&);
 
   void Invalidate(Element*);
@@ skipping 85 matching lines @@
   IntSize size_;
 
   bool keep_showing_until_timer_fires_ : 1;
 };
 
 DEFINE_ELEMENT_TYPE_CASTS(MediaControlsImpl, IsMediaControls());
 
 }  // namespace blink
 
 #endif