Add MediaGpuChannelManager::LookupChannel().

media/mojo/services/gpu_mojo_media_client.cc

 // Copyright 2016 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.
 
 #include "media/mojo/services/gpu_mojo_media_client.h"
 
 #include "media/base/audio_decoder.h"
 #include "media/base/cdm_factory.h"
 #include "media/base/video_decoder.h"
 
@@ skipping 33 matching lines @@
 std::unique_ptr<AudioDecoder> GpuMojoMediaClient::CreateAudioDecoder(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
 #if defined(OS_ANDROID)
   return base::MakeUnique<MediaCodecAudioDecoder>(task_runner);
 #else
   return nullptr;
 #endif  // defined(OS_ANDROID)
 }
 
 std::unique_ptr<VideoDecoder> GpuMojoMediaClient::CreateVideoDecoder(
-    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+    mojom::CommandBufferIdPtr command_buffer_id) {
   static_cast<void>(media_gpu_channel_manager_);
 
   // TODO(sandersd): Factory for VideoDecoders.
   return nullptr;
 }
 
 std::unique_ptr<CdmFactory> GpuMojoMediaClient::CreateCdmFactory(
     service_manager::mojom::InterfaceProvider* interface_provider) {
 #if defined(OS_ANDROID)
   return base::MakeUnique<AndroidCdmFactory>(
       base::Bind(&CreateProvisionFetcher, interface_provider));
 #else
   return nullptr;
 #endif  // defined(OS_ANDROID)
 }
 
 }  // namespace media