Media Controls: move time display elements to media_controls module.

third_party/WebKit/Source/core/html/shadow/MediaControlElements.h

 /*
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 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.
@@ skipping 318 matching lines @@
   bool WillRespondToMouseClickEvents() override;
   void SetVolume(double);
 
  private:
   explicit MediaControlVolumeSliderElement(MediaControls&);
 
   void DefaultEventHandler(Event*) override;
   bool KeepEventInNode(Event*) override;
 };
 
-// ----------------------------
-
-class CORE_EXPORT MediaControlTimeRemainingDisplayElement final
-    : public MediaControlTimeDisplayElement {
- public:
-  static MediaControlTimeRemainingDisplayElement* Create(MediaControls&);
-
- private:
-  explicit MediaControlTimeRemainingDisplayElement(MediaControls&);
-};
-
-// ----------------------------
-
-class CORE_EXPORT MediaControlCurrentTimeDisplayElement final
-    : public MediaControlTimeDisplayElement {
- public:
-  static MediaControlCurrentTimeDisplayElement* Create(MediaControls&);
-
- private:
-  explicit MediaControlCurrentTimeDisplayElement(MediaControls&);
-};
-
 }  // namespace blink
 
 #endif  // MediaControlElements_h