Add audio_device_id in mojo media ServiceFactory CreateRenderer api.

chromecast/browser/cast_content_browser_client.cc

 // 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.
 
 #include "chromecast/browser/cast_content_browser_client.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
@@ skipping 136 matching lines @@
 
 #if !defined(OS_ANDROID)
 scoped_refptr<base::SingleThreadTaskRunner>
 CastContentBrowserClient::GetMediaTaskRunner() {
   DCHECK(cast_browser_main_parts_);
   return cast_browser_main_parts_->GetMediaTaskRunner();
 }
 
 std::unique_ptr<media::MediaPipelineBackend>
 CastContentBrowserClient::CreateMediaPipelineBackend(
-    const media::MediaPipelineDeviceParams& params) {
-  return media_pipeline_backend_manager()->CreateMediaPipelineBackend(params);
+    const media::MediaPipelineDeviceParams& params,
+    const std::string& audio_device_id) {
+  return media_pipeline_backend_manager()->CreateMediaPipelineBackend(
+      params, 0);

[kmackay, 2016/07/12 18:35:52]

nit: I'd prefer to leave this as before (ie, don't pass in 0)

[tianyuwang1, 2016/07/12 19:38:35]

Done.

 }
 
 media::MediaResourceTracker*
 CastContentBrowserClient::media_resource_tracker() {
   return cast_browser_main_parts_->media_resource_tracker();
 }
 
 media::MediaPipelineBackendManager*
 CastContentBrowserClient::media_pipeline_backend_manager() {
   DCHECK(cast_browser_main_parts_);
@@ skipping 383 matching lines @@
         process_type, dumps_path, false /* upload */);
   // StartUploaderThread() even though upload is diferred.
   // Breakpad-related memory is freed in the uploader thread.
   crash_handler->StartUploaderThread();
   return crash_handler;
 }
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace shell
 }  // namespace chromecast