Make MockVideoSource use rtc::VideoSinkInterface.

content/renderer/media/webrtc/mock_peer_connection_dependency_factory.cc

Index: content/renderer/media/webrtc/mock_peer_connection_dependency_factory.cc
diff --git a/content/renderer/media/webrtc/mock_peer_connection_dependency_factory.cc b/content/renderer/media/webrtc/mock_peer_connection_dependency_factory.cc
index 2032c3fb96cb507e399578737c9a99dbe5bce1af..c97bf71200bb78346d6db7f550e0a83988b4115d 100644
--- a/content/renderer/media/webrtc/mock_peer_connection_dependency_factory.cc
+++ b/content/renderer/media/webrtc/mock_peer_connection_dependency_factory.cc
@@ -208,11 +208,13 @@ cricket::VideoCapturer* MockVideoSource::GetVideoCapturer() {
   return capturer_.get();
 }
 
-void MockVideoSource::AddSink(cricket::VideoRenderer* output) {
+void MockVideoSource::AddSink(
+    rtc::VideoSinkInterface<cricket::VideoFrame>* output) {
   NOTIMPLEMENTED();
 }
 
-void MockVideoSource::RemoveSink(cricket::VideoRenderer* output) {
+void MockVideoSource::RemoveSink(
+    rtc::VideoSinkInterface<cricket::VideoFrame>* output) {
   NOTIMPLEMENTED();
 }