Feed audio constraints over to WebRtcLocalAudioTrack

content/renderer/media/mock_media_stream_dependency_factory.cc

Index: content/renderer/media/mock_media_stream_dependency_factory.cc
diff --git a/content/renderer/media/mock_media_stream_dependency_factory.cc b/content/renderer/media/mock_media_stream_dependency_factory.cc
index cac1eaf4b06339e637a66d35da87a30b50dc873d..5b58c5ee157769f69d6edea1123abbbcb55211d3 100644
--- a/content/renderer/media/mock_media_stream_dependency_factory.cc
+++ b/content/renderer/media/mock_media_stream_dependency_factory.cc
@@ -408,7 +408,8 @@ MockMediaStreamDependencyFactory::CreateLocalVideoSource(
 
 scoped_refptr<WebRtcAudioCapturer>
 MockMediaStreamDependencyFactory::CreateWebAudioSource(
-    WebKit::WebMediaStreamSource* source) {
+    WebKit::WebMediaStreamSource* source,
+    RTCMediaConstraints* constraints) {
   return NULL;
 }
 
@@ -447,11 +448,12 @@ scoped_refptr<webrtc::AudioTrackInterface>
 MockMediaStreamDependencyFactory::CreateLocalAudioTrack(
     const std::string& id,
     const scoped_refptr<WebRtcAudioCapturer>& capturer,
-    webrtc::AudioSourceInterface* source) {
+    webrtc::AudioSourceInterface* source,
+    const webrtc::MediaConstraintsInterface* constraints) {
   DCHECK(mock_pc_factory_created_);
   DCHECK(!capturer.get());
   return WebRtcLocalAudioTrack::Create(
-      id, WebRtcAudioCapturer::CreateCapturer(), source);
+      id, WebRtcAudioCapturer::CreateCapturer(), source, constraints);
 }
 
 SessionDescriptionInterface*