Promote RenderLayers that have a transition on opacity, transform, or filter

Source/WebKit/chromium/src/WebSettingsImpl.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 489 matching lines @@
 {
     DeferredImageDecoder::setEnabled(enabled);
     m_deferredImageDecodingEnabled = enabled;
 }
 
 void WebSettingsImpl::setAcceleratedCompositingForFixedPositionEnabled(bool enabled)
 {
     m_settings->setAcceleratedCompositingForFixedPositionEnabled(enabled);
 }
 
+void WebSettingsImpl::setAcceleratedCompositingForTransitionEnabled(bool enabled)
+{
+    m_settings->setAcceleratedCompositingForTransitionEnabled(enabled);
+}
+
 void WebSettingsImpl::setMinimumAccelerated2dCanvasSize(int numPixels)
 {
     m_settings->setMinimumAccelerated2dCanvasSize(numPixels);
 }
 
 void WebSettingsImpl::setMemoryInfoEnabled(bool enabled)
 {
     m_settings->setMemoryInfoEnabled(enabled);
 }
 
@@ skipping 156 matching lines @@
 {
     m_settings->setSelectionIncludesAltImageText(enabled);
 }
 
 void WebSettingsImpl::setSmartInsertDeleteEnabled(bool enabled)
 {
     m_settings->setSmartInsertDeleteEnabled(enabled);
 }
 
 } // namespace WebKit