Send compositor frame IPC with metadata.

cc/delegated_frame_data.h

Index: cc/delegated_frame_data.h
diff --git a/cc/compositor_frame.h b/cc/delegated_frame_data.h
similarity index 71%
copy from cc/compositor_frame.h
copy to cc/delegated_frame_data.h
index b9f09c14e66f14cb5a02a4e539538938cce20b96..91e01936355d76c338dd3c751656db131c2fb62b 100644
--- a/cc/compositor_frame.h
+++ b/cc/delegated_frame_data.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CC_COMPOSITOR_FRAME_H_
-#define CC_COMPOSITOR_FRAME_H_
+#ifndef CC_DELEGATED_FRAME_DATA_H_
+#define CC_DELEGATED_FRAME_DATA_H_
 
 #include "cc/cc_export.h"
 #include "cc/render_pass.h"
@@ -13,10 +13,10 @@
 
 namespace cc {
 
-class CC_EXPORT CompositorFrame {
+class CC_EXPORT DelegatedFrameData {
  public:
-  CompositorFrame();
-  ~CompositorFrame();
+  DelegatedFrameData();
+  ~DelegatedFrameData();
 
   gfx::Size size;
   TransferableResourceList resource_list;
@@ -25,4 +25,4 @@ class CC_EXPORT CompositorFrame {
 
 }  // namespace cc
 
-#endif  // CC_COMPOSITOR_FRAME_H_
+#endif  // CC_DELEGATED_FRAME_DATA_H_