Repaint video controls when buffering during pause.

Source/WebCore/html/shadow/MediaControlRootElementChromium.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 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 272 matching lines @@
 
     m_volumeSliderContainer->show();
 }
 
 const AtomicString& MediaControlRootElementChromium::shadowPseudoId() const
 {
     DEFINE_STATIC_LOCAL(AtomicString, id, ("-webkit-media-controls"));
     return id;
 }
 
+void MediaControlRootElementChromium::bufferingProgressed()
+{
+    // We only need to update buffering progress when paused, during normal
+    // playback playbackProgressed() will take care of it.
+    if (m_mediaElement->paused())
+        m_timeline->setPosition(m_mediaElement->currentTime());
+}
+
 }
 
 #endif