Avoid RenderObject::paintInvalidationForWholeRenderer() if possible

Source/core/html/shadow/MediaControls.cpp

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 302 matching lines @@
 
     // Allow the theme to format the time.
     m_currentTimeDisplay->setInnerText(RenderTheme::theme().formatMediaControlsCurrentTime(now, duration), IGNORE_EXCEPTION);
     m_currentTimeDisplay->setCurrentValue(now);
 }
 
 void MediaControls::updateVolume()
 {
     m_muteButton->updateDisplayType();
     if (m_muteButton->renderer())
-        m_muteButton->renderer()->paintInvalidationForWholeRenderer();
+        m_muteButton->renderer()->setShouldDoFullPaintInvalidation(true);
 
     if (mediaElement().muted())
         m_volumeSlider->setVolume(0);
     else
         m_volumeSlider->setVolume(mediaElement().volume());
 }
 
 void MediaControls::changedClosedCaptionsVisibility()
 {
     m_toggleClosedCaptionsButton->updateDisplayType();
@@ skipping 147 matching lines @@
     visitor->trace(m_muteButton);
     visitor->trace(m_volumeSlider);
     visitor->trace(m_toggleClosedCaptionsButton);
     visitor->trace(m_fullScreenButton);
     visitor->trace(m_durationDisplay);
     visitor->trace(m_enclosure);
     HTMLDivElement::trace(visitor);
 }
 
 }