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

Source/WebCore/platform/graphics/chromium/cc/CCTiledLayerImpl.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
@@ skipping 123 matching lines @@
     return transform;
 }
 
 void CCTiledLayerImpl::appendQuads(CCQuadCuller& quadList, const CCSharedQuadState* sharedQuadState, bool& usedCheckerboard)
 {
     const IntRect& layerRect = visibleLayerRect();
 
     if (m_skipsDraw)
         return;
 
-    appendGutterQuads(quadList, sharedQuadState);
-
     if (!m_tiler || !m_tiler->numTiles() || layerRect.isEmpty())
         return;
 
     int left, top, right, bottom;
     m_tiler->layerRectToTileIndices(layerRect, left, top, right, bottom);
 
     if (hasDebugBorders()) {
         for (int j = top; j <= bottom; ++j) {
             for (int i = left; i <= right; ++i) {
                 DrawableTile* tile = tileAt(i, j);
@@ skipping 64 matching lines @@
     if (!tile)
         tile = createTile(i, j);
     tile->setTextureId(textureId);
     tile->setOpaqueRect(opaqueRect);
 }
 
 Region CCTiledLayerImpl::visibleContentOpaqueRegion() const
 {
     if (m_skipsDraw)
         return Region();
-
+    if (opaque())
+        return visibleLayerRect();
     return m_tiler->opaqueRegionInLayerRect(visibleLayerRect());
 }
 
 } // namespace WebCore
 
 #endif // USE(ACCELERATED_COMPOSITING)