Send compositor frame IPC with metadata.

cc/cc.gyp

 # Copyright (c) 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.
 
 {
   'variables': {
     'cc_source_files': [
       'active_animation.cc',
       'active_animation.h',
       'animation_curve.cc',
       'animation_curve.h',
       'animation_events.h',
       'append_quads_data.h',
       'bitmap_content_layer_updater.cc',
       'bitmap_content_layer_updater.h',
       'bitmap_skpicture_content_layer_updater.cc',
       'bitmap_skpicture_content_layer_updater.h',
       'caching_bitmap_content_layer_updater.cc',
       'caching_bitmap_content_layer_updater.h',
       'checkerboard_draw_quad.cc',
       'checkerboard_draw_quad.h',
       'completion_event.h',
+      'compositor_frame_metadata.cc',
+      'compositor_frame_metadata.h',
       'content_layer.cc',
       'content_layer.h',
       'content_layer_client.h',
       'content_layer_updater.cc',
       'content_layer_updater.h',
       'contents_scaling_layer.cc',
       'contents_scaling_layer.h',
       'damage_tracker.cc',
       'damage_tracker.h',
       'debug_border_draw_quad.cc',
@@ skipping 241 matching lines @@
       'include_dirs': [
         '<(webkit_src_dir)/Source/Platform/chromium',
         '<@(cc_stubs_dirs)',
       ],
       'sources': [
         '<@(cc_source_files)',
       ],
     },
   ],
 }