Remove WebMediaPlayerClient::requestFullscreen()

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 2760 matching lines @@
 
     if (!webMediaPlayer())
         return;
 
     if (webMediaPlayer()->paused())
         pause();
     else
         playInternal();
 }
 
-void HTMLMediaElement::mediaPlayerRequestFullscreen()
-{
-    WTF_LOG(Media, "HTMLMediaElement::mediaPlayerRequestFullscreen(%p)", this);
-
-    // The player is responsible for only invoking this callback in response to
-    // user interaction or when it is technically required to play the video.
-    UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
-
-    enterFullscreen();
-}
-
 void HTMLMediaElement::mediaPlayerRequestSeek(double time)
 {
     // The player is the source of this seek request.
     if (m_mediaController) {
         m_mediaController->setCurrentTime(time);
         return;
     }
     setCurrentTime(time, ASSERT_NO_EXCEPTION);
 }
 
@@ skipping 876 matching lines @@
 
 #if ENABLE(WEB_AUDIO)
 void HTMLMediaElement::clearWeakMembers(Visitor* visitor)
 {
     if (!Heap::isHeapObjectAlive(m_audioSourceNode) && audioSourceProvider())
         audioSourceProvider()->setClient(nullptr);
 }
 #endif
 
 }