Media Remoting: Don't report remote renderer init error to pipeline.

media/remoting/courier_renderer.cc

Index: media/remoting/courier_renderer.cc
diff --git a/media/remoting/courier_renderer.cc b/media/remoting/courier_renderer.cc
index b83c7f751440db55a06de12b25d0bc3524dd3521..e1aad417acbfe858a048dadc108e644975cb74ec 100644
--- a/media/remoting/courier_renderer.cc
+++ b/media/remoting/courier_renderer.cc
@@ -673,9 +673,10 @@ void CourierRenderer::OnFatalError(StopTrigger stop_trigger) {
 
   data_flow_poll_timer_.Stop();
 
+  // This renderer will be shut down shortly. To prevent breaking the pipeline,
+  // just run the callback without reporting error.
   if (!init_workflow_done_callback_.is_null()) {
-    base::ResetAndReturn(&init_workflow_done_callback_)
-        .Run(PIPELINE_ERROR_INITIALIZATION_FAILED);
+    base::ResetAndReturn(&init_workflow_done_callback_).Run(PIPELINE_OK);
     return;
   }