cc: Use the size of the source frame along with the source frame's renderpasses

cc/delegated_frame_data.h

 // Copyright 2012 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.
 
 #ifndef CC_DELEGATED_FRAME_DATA_H_
 #define CC_DELEGATED_FRAME_DATA_H_
 
 #include "cc/cc_export.h"
 #include "cc/render_pass.h"
 #include "cc/scoped_ptr_vector.h"
 #include "cc/transferable_resource.h"
 #include "ui/gfx/size.h"
 
 namespace cc {
 
 class CC_EXPORT DelegatedFrameData {
  public:
   DelegatedFrameData();
   ~DelegatedFrameData();
 
+  // TODO(danakj): This is redundant with the root render pass outputRect.
   gfx::Size size;
   TransferableResourceList resource_list;
   ScopedPtrVector<RenderPass> render_pass_list;
 };
 
 }  // namespace cc
 
 #endif  // CC_DELEGATED_FRAME_DATA_H_