Send compositor frame IPC with metadata.

cc/delegated_frame_data.cc

Index: cc/delegated_frame_data.cc
diff --git a/cc/compositor_frame_ack.cc b/cc/delegated_frame_data.cc
similarity index 61%
copy from cc/compositor_frame_ack.cc
copy to cc/delegated_frame_data.cc
index 2709c0f953ea01c8f29a06d4204915ed7cad1102..4c08041d77d6f468147c28c0940f83bb59e8c2c6 100644
--- a/cc/compositor_frame_ack.cc
+++ b/cc/delegated_frame_data.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "cc/compositor_frame_ack.h"
+#include "cc/delegated_frame_data.h"
 
 namespace cc {
 
-CompositorFrameAck::CompositorFrameAck() {}
+DelegatedFrameData::DelegatedFrameData() {}
 
-CompositorFrameAck::~CompositorFrameAck() {}
+DelegatedFrameData::~DelegatedFrameData() {}
 
 }  // namespace cc