Stop media stream source when audio capture error occurs.

content/renderer/media/media_stream_audio_source.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 "content/renderer/media/media_stream_audio_source.h"
 
 #include "base/bind.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "content/renderer/media/media_stream_audio_track.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 namespace content {
 
 MediaStreamAudioSource::MediaStreamAudioSource(bool is_local_source)
     : is_local_source_(is_local_source),
       is_stopped_(false),
+      task_runner_(base::ThreadTaskRunnerHandle::Get()),
       weak_factory_(this) {
   DVLOG(1) << "MediaStreamAudioSource@" << this << "::MediaStreamAudioSource("
            << (is_local_source_ ? "local" : "remote") << " source)";
 }
 
 MediaStreamAudioSource::~MediaStreamAudioSource() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DVLOG(1) << "MediaStreamAudioSource@" << this << " is being destroyed.";
 }
 
@@ skipping 102 matching lines @@
   const bool did_remove_last_track = deliverer_.RemoveConsumer(track);
   DVLOG(1) << "Removed MediaStreamAudioTrack@" << track
            << " as a consumer of MediaStreamAudioSource@" << this << '.';
 
   // The W3C spec requires a source automatically stop when the last track is
   // stopped.
   if (!is_stopped_ && did_remove_last_track)
     MediaStreamSource::StopSource();
 }
 
+void MediaStreamAudioSource::OnAudioCaptureError(const std::string& why) {
+  VLOG(1) << why;
+
+  // Stop source when error occurs.
+  task_runner_->PostTask(
+      FROM_HERE, base::Bind(&MediaStreamSource::StopSource, GetWeakPtr()));
+}
+
 }  // namespace content