GPU: Adding sync points for cross-channel synchronization

content/content_common.gypi

 # 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../build/temp_gyp/googleurl.gyp:googleurl',
     '../gpu/gpu.gyp:gles2_implementation',
     '../gpu/gpu.gyp:gpu_ipc',
@@ skipping 181 matching lines @@
     'common/gpu/image_transport_surface.h',
     'common/gpu/image_transport_surface.cc',
     'common/gpu/image_transport_surface_android.cc',
     'common/gpu/image_transport_surface_linux.cc',
     'common/gpu/image_transport_surface_mac.cc',
     'common/gpu/image_transport_surface_win.cc',
     'common/gpu/media/mac_video_decode_accelerator.h',
     'common/gpu/media/mac_video_decode_accelerator.mm',
     'common/gpu/media/gpu_video_decode_accelerator.cc',
     'common/gpu/media/gpu_video_decode_accelerator.h',
+    'common/gpu/sync_point_manager.h',
+    'common/gpu/sync_point_manager.cc',
     'common/gpu/texture_image_transport_surface.h',
     'common/gpu/texture_image_transport_surface.cc',
     'common/handle_enumerator_win.cc',
     'common/handle_enumerator_win.h',
     'common/indexed_db/indexed_db_key.cc',
     'common/indexed_db/indexed_db_key.h',
     'common/indexed_db/indexed_db_key_path.cc',
     'common/indexed_db/indexed_db_key_path.h',
     'common/indexed_db/indexed_db_key_range.cc',
     'common/indexed_db/indexed_db_key_range.h',
@@ skipping 239 matching lines @@
         '../build/extract_from_cab.py',
         '..\\third_party\\directxsdk\\files\\Redist\\<(input)',
         '<(output)',
         '<(PRODUCT_DIR)',
         ],
       },
      ]
     }]
   ],
 }