Change media MessageLoopProxy usage to SingleThreadTaskRunners.

content/renderer/render_thread_impl.cc

 // 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.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 1090 matching lines @@
   idle_notifications_to_skip_ = 2;
 }
 
 scoped_refptr<media::GpuVideoAcceleratorFactories>
 RenderThreadImpl::GetGpuFactories() {
   DCHECK(IsMainThread());
 
   scoped_refptr<GpuChannelHost> gpu_channel_host = GetGpuChannel();
   const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   scoped_refptr<media::GpuVideoAcceleratorFactories> gpu_factories;
-  scoped_refptr<base::MessageLoopProxy> media_loop_proxy =
-      GetMediaThreadMessageLoopProxy();
+  scoped_refptr<base::SingleThreadTaskRunner> media_task_runner =
+      GetMediaThreadTaskRunner();
   if (!cmd_line->HasSwitch(switches::kDisableAcceleratedVideoDecode)) {
     if (!gpu_va_context_provider_.get() ||
         gpu_va_context_provider_->DestroyedOnMainThread()) {
       if (!gpu_channel_host.get()) {
         gpu_channel_host = EstablishGpuChannelSync(
             CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE);
       }
       blink::WebGraphicsContext3D::Attributes attributes;
       bool lose_context_when_out_of_memory = false;
       gpu_va_context_provider_ = ContextProviderCommandBuffer::Create(
           make_scoped_ptr(
               WebGraphicsContext3DCommandBufferImpl::CreateOffscreenContext(
                   gpu_channel_host.get(),
                   attributes,
                   lose_context_when_out_of_memory,
                   GURL("chrome://gpu/RenderThreadImpl::GetGpuVDAContext3D"),
                   WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits(),
                   NULL)),
           "GPU-VideoAccelerator-Offscreen");
     }
   }
   if (gpu_va_context_provider_.get()) {
     gpu_factories = RendererGpuVideoAcceleratorFactories::Create(
-        gpu_channel_host.get(), media_loop_proxy, gpu_va_context_provider_);
+        gpu_channel_host.get(), media_task_runner, gpu_va_context_provider_);
   }
   return gpu_factories;
 }
 
 scoped_ptr<WebGraphicsContext3DCommandBufferImpl>
 RenderThreadImpl::CreateOffscreenContext3d() {
   blink::WebGraphicsContext3D::Attributes attributes(GetOffscreenAttribs());
   bool lose_context_when_out_of_memory = true;
 
   scoped_refptr<GpuChannelHost> gpu_channel_host(EstablishGpuChannelSync(
@@ skipping 434 matching lines @@
 scoped_refptr<base::MessageLoopProxy>
 RenderThreadImpl::GetFileThreadMessageLoopProxy() {
   DCHECK(message_loop() == base::MessageLoop::current());
   if (!file_thread_) {
     file_thread_.reset(new base::Thread("Renderer::FILE"));
     file_thread_->Start();
   }
   return file_thread_->message_loop_proxy();
 }
 
-scoped_refptr<base::MessageLoopProxy>
-RenderThreadImpl::GetMediaThreadMessageLoopProxy() {
+scoped_refptr<base::SingleThreadTaskRunner>
+RenderThreadImpl::GetMediaThreadTaskRunner() {
   DCHECK(message_loop() == base::MessageLoop::current());
   if (!media_thread_) {
     media_thread_.reset(new base::Thread("Media"));
     media_thread_->Start();
 
 #if defined(OS_ANDROID)
     renderer_demuxer_ = new RendererDemuxerAndroid();
     AddFilter(renderer_demuxer_.get());
 #endif
   }
@@ skipping 41 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content