Add CCDelegatingRenderer, and corresponding IPCs

ui/compositor/layer.h

Index: ui/compositor/layer.h
diff --git a/ui/compositor/layer.h b/ui/compositor/layer.h
index f9fcbc9208246dbb3eb655747676951ea4f70368..805bc7f80c521f10a51846fd911c08b965e9d055 100644
--- a/ui/compositor/layer.h
+++ b/ui/compositor/layer.h
@@ -18,6 +18,7 @@
 #include "third_party/WebKit/Source/Platform/chromium/public/WebContentLayer.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebSolidColorLayer.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebExternalTextureLayer.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebDelegatedRendererLayer.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/compositor/compositor.h"
@@ -29,6 +30,10 @@
 
 class SkCanvas;
 
+namespace cc {
+struct TransferableResourceList;
+}
+
 namespace ui {
 
 class Compositor;
@@ -222,6 +227,9 @@ class COMPOSITOR_EXPORT Layer
   void SetExternalTexture(ui::Texture* texture);
   ui::Texture* external_texture() { return texture_.get(); }
 
+  void SetCompositorFrame(const WebKit::WebCompositorFrame& frame);
+  void GetRecycledResources(cc::TransferableResourceList* list);
+
   // Sets the layer's fill color.  May only be called for LAYER_SOLID_COLOR.
   void SetColor(SkColor color);
 
@@ -383,6 +391,7 @@ class COMPOSITOR_EXPORT Layer
   scoped_ptr<WebKit::WebContentLayer> content_layer_;
   scoped_ptr<WebKit::WebExternalTextureLayer> texture_layer_;
   scoped_ptr<WebKit::WebSolidColorLayer> solid_color_layer_;
+  scoped_ptr<WebKit::WebDelegatedRendererLayer> delegated_renderer_layer_;
   WebKit::WebLayer* web_layer_;
   bool web_layer_is_accelerated_;
   bool show_debug_borders_;