Change webrtc::VideoSourceInterface to inherit rtc::VideoSourceInterface.

webrtc/api/rtpsenderreceiver_unittest.cc

Index: webrtc/api/rtpsenderreceiver_unittest.cc
diff --git a/webrtc/api/rtpsenderreceiver_unittest.cc b/webrtc/api/rtpsenderreceiver_unittest.cc
index 60960fb5f043addb2ef32df4388e412fb6580460..ca88a3bc72eff274490540de2c05cd23883568a6 100644
--- a/webrtc/api/rtpsenderreceiver_unittest.cc
+++ b/webrtc/api/rtpsenderreceiver_unittest.cc
@@ -83,16 +83,17 @@ class FakeVideoSource : public Notifier<VideoSourceInterface> {
   static rtc::scoped_refptr<FakeVideoSource> Create(bool remote) {
     return new rtc::RefCountedObject<FakeVideoSource>(remote);
   }
-  virtual cricket::VideoCapturer* GetVideoCapturer() { return &fake_capturer_; }
-  virtual void Stop() {}
-  virtual void Restart() {}
-  virtual void AddSink(rtc::VideoSinkInterface<cricket::VideoFrame>* output) {}
-  virtual void RemoveSink(
-      rtc::VideoSinkInterface<cricket::VideoFrame>* output) {}
-  virtual SourceState state() const { return state_; }
-  virtual bool remote() const { return remote_; }
-  virtual const cricket::VideoOptions* options() const { return &options_; }
-  virtual cricket::VideoRenderer* FrameInput() { return NULL; }
+  cricket::VideoCapturer* GetVideoCapturer() { return &fake_capturer_; }
+  void Stop() override {}
+  void Restart() override {}
+  void AddOrUpdateSink(
+      rtc::VideoSinkInterface<cricket::VideoFrame>* sink,
+      const rtc::VideoSinkWants& wants) override {}
+  void RemoveSink(
+      rtc::VideoSinkInterface<cricket::VideoFrame>* output) override {}
+  SourceState state() const override { return state_; }
+  bool remote() const override { return remote_; }
+  const cricket::VideoOptions* options() const override { return &options_; }
 
  protected:
   explicit FakeVideoSource(bool remote) : state_(kLive), remote_(remote) {}