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

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

Index: Source/WebCore/platform/graphics/chromium/cc/CCTiledLayerImpl.cpp
===================================================================
--- Source/WebCore/platform/graphics/chromium/cc/CCTiledLayerImpl.cpp	(revision 114754)
+++ Source/WebCore/platform/graphics/chromium/cc/CCTiledLayerImpl.cpp	(working copy)
@@ -141,8 +141,6 @@
     if (m_skipsDraw)
         return;
 
-    appendGutterQuads(quadList, sharedQuadState);
-
     if (!m_tiler || !m_tiler->numTiles() || layerRect.isEmpty())
         return;
 
@@ -227,7 +225,8 @@
 {
     if (m_skipsDraw)
         return Region();
-
+    if (opaque())
+        return visibleLayerRect();
     return m_tiler->opaqueRegionInLayerRect(visibleLayerRect());
 }