Use the worker task runner instead of the main audio thread.

content/browser/renderer_host/render_process_host_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 195 matching lines @@
 void CacheShaderInfo(int32 id, base::FilePath path) {
   ShaderCacheFactory::GetInstance()->SetCacheInfo(id, path);
 }
 
 void RemoveShaderInfo(int32 id) {
   ShaderCacheFactory::GetInstance()->RemoveCacheInfo(id);
 }
 
 scoped_ptr<IPC::Message> SendAudioHardwareConfig() {
   media::AudioManager* am = media::AudioManager::Get();
-  DCHECK(am->GetTaskRunner()->BelongsToCurrentThread());
+  DCHECK(am->GetWorkerTaskRunner()->BelongsToCurrentThread());
   return make_scoped_ptr(new ViewMsg_SetAudioHardwareConfig(
       am->GetDefaultOutputStreamParameters(),
       am->GetInputStreamParameters(media::AudioManagerBase::kDefaultDeviceId)));
 }
 
 net::URLRequestContext* GetRequestContext(
     scoped_refptr<net::URLRequestContextGetter> request_context,
     scoped_refptr<net::URLRequestContextGetter> media_request_context,
     ResourceType resource_type) {
   // If the request has resource type of RESOURCE_TYPE_MEDIA, we use a request
@@ skipping 2104 matching lines @@
   tracked_objects::ScopedTracker tracking_profile6(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "465841 "
           "RenderProcessHostImpl::OnProcessLaunched::SendQueuedMessages"));
   while (!queued_messages_.empty()) {
     Send(queued_messages_.front());
     queued_messages_.pop();
   }
 
   base::PostTaskAndReplyWithResult(
-      media::AudioManager::Get()->GetTaskRunner().get(), FROM_HERE,
+      media::AudioManager::Get()->GetWorkerTaskRunner().get(), FROM_HERE,
       base::Bind(&SendAudioHardwareConfig),
       base::Bind(base::IgnoreResult(&RenderProcessHostImpl::SendHelper),
                  weak_factory_.GetWeakPtr()));
 
 #if defined(ENABLE_WEBRTC)
   // TODO(erikchen): Remove ScopedTracker below once http://crbug.com/465841
   // is fixed.
   tracked_objects::ScopedTracker tracking_profile7(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "465841 RenderProcessHostImpl::OnProcessLaunched::EnableAec"));
@@ skipping 137 matching lines @@
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 void RenderProcessHostImpl::GetAudioOutputControllers(
     const GetAudioOutputControllersCallback& callback) const {
   audio_renderer_host()->GetOutputControllers(callback);
 }
 
 }  // namespace content