[chromecast] Pass media task runner to MediaPipelineBackendManager.

chromecast/browser/cast_content_browser_client.cc

Index: chromecast/browser/cast_content_browser_client.cc
diff --git a/chromecast/browser/cast_content_browser_client.cc b/chromecast/browser/cast_content_browser_client.cc
index dc5902ac7e67d80b42745ebef9874ac48bb4bbe7..30930c60a1af21046d6bc5698004aa267d4a3bca 100644
--- a/chromecast/browser/cast_content_browser_client.cc
+++ b/chromecast/browser/cast_content_browser_client.cc
@@ -109,15 +109,21 @@ scoped_ptr<CastService> CastContentBrowserClient::CreateCastService(
 scoped_ptr<media::MediaPipelineBackend>
 CastContentBrowserClient::CreateMediaPipelineBackend(
     const media::MediaPipelineDeviceParams& params) {
-  return make_scoped_ptr(
-      media::MediaPipelineBackendManager::CreateMediaPipelineBackend(params));
+  DCHECK(cast_browser_main_parts_);
+  return cast_browser_main_parts_->media_pipeline_backend_manager()

[alokp, 2016/04/01 17:53:37]

Use CastContentBrowserClient::media_pipeline_backend_manager()

[tianyuwang1, 2016/04/01 17:58:20]

Done.

+      ->CreateMediaPipelineBackend(params);
 }
 
 media::MediaResourceTracker*
 CastContentBrowserClient::media_resource_tracker() {
   return cast_browser_main_parts_->media_resource_tracker();
 }
-#endif  // OS_ANDROID
+
+media::MediaPipelineBackendManager*
+CastContentBrowserClient::media_pipeline_backend_manager() {
+  return cast_browser_main_parts_->media_pipeline_backend_manager();
+}
+#endif  // !defined(OS_ANDROID)
 
 void CastContentBrowserClient::SetMetricsClientId(
     const std::string& client_id) {