Revert of Make cricket::VideoCapturer implement VideoSourceInterface

webrtc/media/base/videoengine_unittest.h

Index: webrtc/media/base/videoengine_unittest.h
diff --git a/webrtc/media/base/videoengine_unittest.h b/webrtc/media/base/videoengine_unittest.h
index 8a372a35be69fa81f42dbdede7f5a123f9eea7c1..a81fde99aa97e1b7d0ace2f7f686ff3f18ccf0cb 100644
--- a/webrtc/media/base/videoengine_unittest.h
+++ b/webrtc/media/base/videoengine_unittest.h
@@ -86,6 +86,21 @@
   virtual ~VideoEngineOverride() {
   }
   bool is_camera_on() const { return T::GetVideoCapturer()->IsRunning(); }
+  void set_has_senders(bool has_senders) {
+    cricket::VideoCapturer* video_capturer = T::GetVideoCapturer();
+    if (has_senders) {
+      video_capturer->SignalVideoFrame.connect(this,
+          &VideoEngineOverride<T>::OnLocalFrame);
+    } else {
+      video_capturer->SignalVideoFrame.disconnect(this);
+    }
+  }
+  void OnLocalFrame(cricket::VideoCapturer*,
+                    const cricket::VideoFrame*) {
+  }
+  void OnLocalFrameFormat(cricket::VideoCapturer*,
+                          const cricket::VideoFormat*) {
+  }
 
   void TriggerMediaFrame(uint32_t ssrc,
                          cricket::VideoFrame* frame,