Add CCDelegatingRenderer, and corresponding IPCs

cc/CCSingleThreadProxy.cpp

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "CCSingleThreadProxy.h"
 
 #include "CCDrawQuad.h"
 #include "CCGraphicsContext.h"
@@ skipping 287 matching lines @@
 {
     {
         DebugScopedSetImplThread impl;
         if (m_rendererInitialized)
             m_layerTreeHostImpl->renderer()->doNoOp();
     }
 }
 
 void CCSingleThreadProxy::onSwapBuffersCompleteOnImplThread()
 {
-    ASSERT_NOT_REACHED();
+    //ASSERT_NOT_REACHED();
 }
 
 bool CCSingleThreadProxy::commitAndComposite()
 {
     ASSERT(CCProxy::isMainThread());
 
     if (!m_layerTreeHost->initializeRendererIfNeeded())
         return false;
 
     // Unlink any texture backings that were deleted
@@ skipping 37 matching lines @@
         // We guard prepareToDraw() with canDraw() because it always returns a valid frame, so can only
         // be used when such a frame is possible. Since drawLayers() depends on the result of
         // prepareToDraw(), it is guarded on canDraw() as well.
         if (!m_layerTreeHostImpl->canDraw())
             return false;
 
         CCLayerTreeHostImpl::FrameData frame;
         m_layerTreeHostImpl->prepareToDraw(frame);
         m_layerTreeHostImpl->drawLayers(frame);
         m_layerTreeHostImpl->didDrawAllLayers(frame);
+        m_contextLost = m_layerTreeHostImpl->isContextLost();
     }
 
-    if (m_layerTreeHostImpl->isContextLost()) {
-        m_contextLost = true;
+    if (m_contextLost) {
         m_layerTreeHost->didLoseContext();
         return false;
     }
 
     return true;
 }
 
 void CCSingleThreadProxy::didSwapFrame()
 {
     if (m_nextFrameIsNewlyCommittedFrame) {
         m_nextFrameIsNewlyCommittedFrame = false;
         m_layerTreeHost->didCommitAndDrawFrame();
     }
 }
 
 }