Eliminate video capture thread in renderer

content/renderer/media/media_stream_dependency_factory.h

Index: content/renderer/media/media_stream_dependency_factory.h
diff --git a/content/renderer/media/media_stream_dependency_factory.h b/content/renderer/media/media_stream_dependency_factory.h
index 5114a41e83fffd2baa64904f44eb17c797474aaf..cc8cd51f38a6627f0772832d7f99737cb3849dc6 100644
--- a/content/renderer/media/media_stream_dependency_factory.h
+++ b/content/renderer/media/media_stream_dependency_factory.h
@@ -46,7 +46,6 @@ namespace content {
 class IpcNetworkManager;
 class IpcPacketSocketFactory;
 class RTCMediaConstraints;
-class VideoCaptureImplManager;
 class WebAudioCapturerSource;
 class WebRtcAudioCapturer;
 class WebRtcAudioDeviceImpl;
@@ -67,7 +66,6 @@ class CONTENT_EXPORT MediaStreamDependencyFactory
   typedef base::Callback<void(blink::WebMediaStream* web_stream,
                               bool live)> MediaSourcesCreatedCallback;
   MediaStreamDependencyFactory(
-      VideoCaptureImplManager* vc_manager,
       P2PSocketDispatcher* p2p_socket_dispatcher);
   virtual ~MediaStreamDependencyFactory();
 
@@ -255,7 +253,6 @@ class CONTENT_EXPORT MediaStreamDependencyFactory
   RTCVideoDecoderFactoryTv* decoder_factory_tv_;
 #endif
 
-  scoped_refptr<VideoCaptureImplManager> vc_manager_;
   scoped_refptr<P2PSocketDispatcher> p2p_socket_dispatcher_;
   scoped_refptr<WebRtcAudioDeviceImpl> audio_device_;