Use HTMLMediaElement::togglePlayState() where appropriate

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 2163 matching lines @@
     // Some media engines make multiple "time changed" callbacks at the same time, but we only want one
     // event at a given time so filter here
     double movieTime = currentTime();
     if (movieTime != m_lastTimeUpdateEventMovieTime) {
         scheduleEvent(EventTypeNames::timeupdate);
         m_lastTimeUpdateEventWallTime = now;
         m_lastTimeUpdateEventMovieTime = movieTime;
     }
 }
 
-bool HTMLMediaElement::canPlay() const
+bool HTMLMediaElement::togglePlayStateWillPlay() const
 {
-    return paused() || ended() || m_readyState < HAVE_METADATA;
+    if (m_mediaController)
+        return m_mediaController->paused() || m_mediaController->isRestrained();
+    return paused();
 }
 
 void HTMLMediaElement::togglePlayState()
 {
-    ASSERT(controls());
     // The activation behavior of a media element that is exposing a user interface to the user
     if (m_mediaController) {
         if (m_mediaController->isRestrained())
             m_mediaController->play();
         else if (m_mediaController->paused())
             m_mediaController->unpause();
         else
             m_mediaController->pause();
     } else {
         if (paused())
@@ skipping 1443 matching lines @@
 {
     m_mediaSource->setWebMediaSourceAndOpen(adoptPtr(webMediaSource));
 }
 
 bool HTMLMediaElement::isInteractiveContent() const
 {
     return fastHasAttribute(controlsAttr);
 }
 
 }