Merge 113677 - [chromium] Viewport is not filled when out of texture memory on mac

Source/WebCore/platform/graphics/chromium/cc/CCLayerTreeHostImpl.cpp

 /*
  * 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
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 297 matching lines @@
         pass->appendQuadsForLayer(*it, &occlusionTracker, usedCheckerboard);
         if (usedCheckerboard) {
             bool layerHasAnimatingTransform = it->screenSpaceTransformIsAnimating() || it->drawTransformIsAnimating();
             if (layerHasAnimatingTransform)
                 drawFrame = false;
         }
 
         occlusionTracker.markOccludedBehindLayer(*it);
     }
 
+    passes.last()->appendQuadsToFillScreen(rootLayer(), m_backgroundColor, occlusionTracker);
+
     if (drawFrame)
         occlusionTracker.overdrawMetrics().recordMetrics(this);
     return drawFrame;
 }
 
 void CCLayerTreeHostImpl::animateLayersRecursive(CCLayerImpl* current, double monotonicTime, double wallClockTime, CCAnimationEventsVector* events, bool& didAnimate, bool& needsAnimateLayers)
 {
     bool subtreeNeedsAnimateLayers = false;
 
     CCLayerAnimationController* currentController = current->layerAnimationController();
@@ skipping 498 matching lines @@
         return;
 
     bool isContinuing = m_activeGestureAnimation->animate(monotonicTime);
     if (isContinuing)
         m_client->setNeedsRedrawOnImplThread();
     else
         m_activeGestureAnimation.clear();
 }
 
 } // namespace WebCore