Implement audio constraints for PeerConneciton API

content/renderer/media/mock_media_stream_dependency_factory.h

Index: content/renderer/media/mock_media_stream_dependency_factory.h
diff --git a/content/renderer/media/mock_media_stream_dependency_factory.h b/content/renderer/media/mock_media_stream_dependency_factory.h
index ca11a797edf836f5d75b44eba040234a992849f1..c2c6d96721ee002c4f113285974dfbb09565665b 100644
--- a/content/renderer/media/mock_media_stream_dependency_factory.h
+++ b/content/renderer/media/mock_media_stream_dependency_factory.h
@@ -37,6 +37,38 @@ class MockVideoSource : public webrtc::VideoSourceInterface {
    MediaSourceInterface::SourceState state_;
 };
 
+class MockAudioSource : public webrtc::AudioSourceInterface {
+ public:
+  MockAudioSource(const webrtc::MediaConstraintsInterface* constraints);
+
+  virtual void RegisterObserver(webrtc::ObserverInterface* observer) OVERRIDE;
+  virtual void UnregisterObserver(webrtc::ObserverInterface* observer) OVERRIDE;
+  virtual MediaSourceInterface::SourceState state() const OVERRIDE;
+
+  // Changes the state of the source to live and notifies the observer.
+  void SetLive();
+  // Changes the state of the source to ended and notifies the observer.
+  void SetEnded();
+
+  const webrtc::MediaConstraintsInterface::Constraints& optional_constraints() {
+    return optional_constraints_;
+  }
+
+  const webrtc::MediaConstraintsInterface::Constraints&
+  mandatory_constraints() {
+    return mandatory_constraints_;
+  }
+
+ protected:
+  virtual ~MockAudioSource();
+
+ private:
+  webrtc::ObserverInterface* observer_;
+  MediaSourceInterface::SourceState state_;
+  webrtc::MediaConstraintsInterface::Constraints optional_constraints_;
+  webrtc::MediaConstraintsInterface::Constraints mandatory_constraints_;
+};
+
 class MockLocalVideoTrack : public webrtc::VideoTrackInterface {
  public:
   MockLocalVideoTrack(std::string id,
@@ -100,8 +132,11 @@ class MockMediaStreamDependencyFactory : public MediaStreamDependencyFactory {
                            const webrtc::MediaConstraintsInterface* constraints,
                            WebKit::WebFrame* frame,
                            webrtc::PeerConnectionObserver* observer) OVERRIDE;
+  virtual scoped_refptr<webrtc::AudioSourceInterface>
+      CreateLocalAudioSource(
+          const webrtc::MediaConstraintsInterface* constraints) OVERRIDE;
   virtual scoped_refptr<webrtc::VideoSourceInterface>
-      CreateVideoSource(
+      CreateLocalVideoSource(
           int video_session_id,
           bool is_screencast,
           const webrtc::MediaConstraintsInterface* constraints) OVERRIDE;
@@ -116,7 +151,7 @@ class MockMediaStreamDependencyFactory : public MediaStreamDependencyFactory {
                             webrtc::VideoSourceInterface* source) OVERRIDE;
   virtual scoped_refptr<webrtc::LocalAudioTrackInterface>
       CreateLocalAudioTrack(const std::string& id,
-                            webrtc::AudioDeviceModule* audio_device) OVERRIDE;
+                            webrtc::AudioSourceInterface* source) OVERRIDE;
   virtual webrtc::SessionDescriptionInterface* CreateSessionDescription(
       const std::string& type,
       const std::string& sdp) OVERRIDE;
@@ -128,10 +163,12 @@ class MockMediaStreamDependencyFactory : public MediaStreamDependencyFactory {
   virtual bool EnsurePeerConnectionFactory() OVERRIDE;
   virtual bool PeerConnectionFactoryCreated() OVERRIDE;
 
+  MockAudioSource* last_audio_source() { return last_audio_source_; }
   MockVideoSource* last_video_source() { return last_video_source_; }
 
  private:
   bool mock_pc_factory_created_;
+  scoped_refptr <MockAudioSource> last_audio_source_;
   scoped_refptr <MockVideoSource> last_video_source_;
 
   DISALLOW_COPY_AND_ASSIGN(MockMediaStreamDependencyFactory);