Make cricket::VideoCapturer implement VideoSourceInterface

talk/app/webrtc/mediastreamprovider.h

Index: talk/app/webrtc/mediastreamprovider.h
diff --git a/talk/app/webrtc/mediastreamprovider.h b/talk/app/webrtc/mediastreamprovider.h
index 585d51bcc8178c1ba245a40f6121cbe1971d5671..0e92fc1244e5f54a4d6346978b0bcdd98c6c9a88 100644
--- a/talk/app/webrtc/mediastreamprovider.h
+++ b/talk/app/webrtc/mediastreamprovider.h
@@ -30,11 +30,13 @@
 
 #include "webrtc/base/basictypes.h"
 #include "webrtc/base/scoped_ptr.h"
+#include "webrtc/media/base/videosinkinterface.h"
 
 namespace cricket {
 
 class AudioRenderer;
 class VideoCapturer;
+class VideoFrame;
 class VideoRenderer;
 struct AudioOptions;
 struct VideoOptions;
@@ -95,6 +97,12 @@ class VideoProviderInterface {
   virtual void SetVideoSend(uint32_t ssrc,
                             bool enable,
                             const cricket::VideoOptions* options) = 0;
+  // Return the sink which we should pass video frames to.
+  // TODO(nisse): This doesn't really belong here, it's needed to let
+  // VideoRtpSender hook up the WebRtcVideoSendStream object as a sink
+  // for the corresponding VideoTrack.
+  virtual rtc::VideoSinkInterface<cricket::VideoFrame>* GetSink(
+      uint32_t ssrc) = 0;
 
  protected:
   virtual ~VideoProviderInterface() {}