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

content/common/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/common/common.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
 if (is_mac) {
   import("//build/config/mac/mac_sdk.gni")
@@ skipping 340 matching lines @@
     sources += [
       "gpu/media/accelerated_video_decoder.h",
       "gpu/media/h264_decoder.cc",
       "gpu/media/h264_decoder.h",
       "gpu/media/h264_dpb.cc",
       "gpu/media/h264_dpb.h",
       "gpu/media/vp8_decoder.cc",
       "gpu/media/vp8_decoder.h",
       "gpu/media/vp8_picture.cc",
       "gpu/media/vp8_picture.h",
+      "gpu/media/vp9_decoder.cc",
+      "gpu/media/vp9_decoder.h",
+      "gpu/media/vp9_picture.cc",
+      "gpu/media/vp9_picture.h",
     ]
     if (use_v4lplugin) {
       defines += [ "USE_LIBV4L2" ]
       sources += get_target_outputs(":libv4l2_generate_stubs")
       deps += [ ":libv4l2_generate_stubs" ]
     }
     if (use_v4l2_codec) {
       defines += [ "USE_V4L2_CODEC" ]
       sources += [
         "gpu/media/generic_v4l2_device.cc",
@@ skipping 138 matching lines @@
 
   import_dirs = [ "//mojo/services" ]
 
   deps = [
     "//content/public/common:mojo_bindings",
     "//mojo/application/public/interfaces",
     "//skia/public/interfaces",
     "//ui/mojo/geometry:interfaces",
   ]
 }