cc: return resources via a ReturnedResource struct rather than TransferableResource

cc/layers/delegated_renderer_layer.h

Index: cc/layers/delegated_renderer_layer.h
diff --git a/cc/layers/delegated_renderer_layer.h b/cc/layers/delegated_renderer_layer.h
index 3f5280eec5f4226f5efbd876927438ea29094ad1..ebb42d9831e8574e119dd37e41a26c2227f0e2d6 100644
--- a/cc/layers/delegated_renderer_layer.h
+++ b/cc/layers/delegated_renderer_layer.h
@@ -34,7 +34,7 @@ class CC_EXPORT DelegatedRendererLayer : public Layer {
 
   // Passes ownership of any unused resources that had been given by the child
   // compositor to the given array, so they can be given back to the child.
-  void TakeUnusedResourcesForChildCompositor(TransferableResourceArray* array);
+  void TakeUnusedResourcesForChildCompositor(ReturnedResourceArray* array);
 
   virtual bool BlocksPendingCommit() const OVERRIDE;
 
@@ -47,7 +47,7 @@ class CC_EXPORT DelegatedRendererLayer : public Layer {
   gfx::RectF damage_in_frame_;
   gfx::Size frame_size_;
   gfx::Size display_size_;
-  TransferableResourceArray unused_resources_for_child_compositor_;
+  ReturnedResourceArray unused_resources_for_child_compositor_;
 
   DelegatedRendererLayerClient* client_;