Media Controls: change how the MediaControls object is created and handled.

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

 /*
  * 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 860 matching lines @@
     : MediaControlInputElement(mediaControls, MediaEnterFullscreenButton) {}
 
 MediaControlFullscreenButtonElement*
 MediaControlFullscreenButtonElement::create(MediaControls& mediaControls) {
   MediaControlFullscreenButtonElement* button =
       new MediaControlFullscreenButtonElement(mediaControls);
   button->ensureUserAgentShadowRoot();
   button->setType(InputTypeNames::button);
   button->setShadowPseudoId(
       AtomicString("-webkit-media-controls-fullscreen-button"));
+  button->setIsFullscreen(mediaControls.mediaElement().isFullscreen());
   button->setIsWanted(false);
   return button;
 }
 
 void MediaControlFullscreenButtonElement::defaultEventHandler(Event* event) {
   if (event->type() == EventTypeNames::click) {
     if (mediaElement().isFullscreen()) {
       Platform::current()->recordAction(
           UserMetricsAction("Media.Controls.ExitFullscreen"));
       mediaControls().exitFullscreen();
@@ skipping 149 matching lines @@
 MediaControlCurrentTimeDisplayElement*
 MediaControlCurrentTimeDisplayElement::create(MediaControls& mediaControls) {
   MediaControlCurrentTimeDisplayElement* element =
       new MediaControlCurrentTimeDisplayElement(mediaControls);
   element->setShadowPseudoId(
       AtomicString("-webkit-media-controls-current-time-display"));
   return element;
 }
 
 }  // namespace blink