Reland: Add accelerated VP9 decode infrastructure and an implementation for VA-API.

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',
     '../components/tracing.gyp:tracing',
     '../gpu/command_buffer/command_buffer.gyp:gles2_utils',
     '../net/net.gyp:net',
@@ skipping 854 matching lines @@
     }],
     ['chromeos==1', {
       'sources': [
         'common/gpu/media/accelerated_video_decoder.h',
         'common/gpu/media/h264_decoder.cc',
         'common/gpu/media/h264_decoder.h',
         'common/gpu/media/h264_dpb.cc',
         'common/gpu/media/h264_dpb.h',
         'common/gpu/media/vp8_decoder.cc',
         'common/gpu/media/vp8_decoder.h',
+        'common/gpu/media/vp9_decoder.cc',
+        'common/gpu/media/vp9_decoder.h',
         'common/gpu/media/vp8_picture.cc',
         'common/gpu/media/vp8_picture.h',
+        'common/gpu/media/vp9_picture.cc',
+        'common/gpu/media/vp9_picture.h',
       ],
     }],
     ['chromeos==1 and use_v4l2_codec==1', {
       'direct_dependent_settings': {
         'defines': [
           'USE_V4L2_CODEC'
         ],
       },
       'defines': [
         'USE_V4L2_CODEC'
@@ skipping 209 matching lines @@
         'common/gpu/client/gpu_memory_buffer_impl_ozone.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_pixmap.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_pixmap.h',
         'common/gpu/gpu_memory_buffer_factory_ozone.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_pixmap.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_pixmap.h',
       ],
     }],
   ],
 }