Ensures that WebRTC works for device selection using a different sample rate than default

content/renderer/media/mock_media_stream_dependency_factory.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.
 
 #include "content/renderer/media/mock_media_stream_dependency_factory.h"
 
 #include "base/logging.h"
 #include "content/renderer/media/mock_peer_connection_impl.h"
 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
 #include "third_party/libjingle/source/talk/base/scoped_ref_ptr.h"
@@ skipping 330 matching lines @@
 
 scoped_refptr<webrtc::VideoSourceInterface>
 MockMediaStreamDependencyFactory::CreateVideoSource(
     int video_session_id,
     bool is_screencast,
     const webrtc::MediaConstraintsInterface* constraints) {
   last_video_source_ = new talk_base::RefCountedObject<MockVideoSource>();
   return last_video_source_;
 }
 
+bool MockMediaStreamDependencyFactory::InitializeAudioSource(
+  const StreamDeviceInfo& device_info) {
+  return true;
+}
+
 scoped_refptr<webrtc::LocalMediaStreamInterface>
 MockMediaStreamDependencyFactory::CreateLocalMediaStream(
     const std::string& label) {
   DCHECK(mock_pc_factory_created_);
   return new talk_base::RefCountedObject<MockLocalMediaStream>(label);
 }
 
 scoped_refptr<webrtc::VideoTrackInterface>
 MockMediaStreamDependencyFactory::CreateLocalVideoTrack(
     const std::string& id,
@@ skipping 23 matching lines @@
 }
 
 webrtc::IceCandidateInterface*
 MockMediaStreamDependencyFactory::CreateIceCandidate(
     const std::string& sdp_mid,
     int sdp_mline_index,
     const std::string& sdp) {
   return new MockIceCandidate(sdp_mid, sdp_mline_index, sdp);
 }
 
-void MockMediaStreamDependencyFactory::SetAudioDeviceSessionId(int session_id) {
-}
-
 }  // namespace content