Delete FrameInput method and FrameInputWrapper class.

talk/app/webrtc/rtpreceiver.cc

Index: talk/app/webrtc/rtpreceiver.cc
diff --git a/talk/app/webrtc/rtpreceiver.cc b/talk/app/webrtc/rtpreceiver.cc
index 9540f36f2f68ac03c3c11aa1de19ef787ff62006..34efe5c415c703f0b3982e528c40e057317c4c47 100644
--- a/talk/app/webrtc/rtpreceiver.cc
+++ b/talk/app/webrtc/rtpreceiver.cc
@@ -86,8 +86,7 @@ VideoRtpReceiver::VideoRtpReceiver(VideoTrackInterface* track,
                                    uint32_t ssrc,
                                    VideoProviderInterface* provider)
     : id_(track->id()), track_(track), ssrc_(ssrc), provider_(provider) {
-  RTC_DCHECK(track_->GetSource()->remote());
-  provider_->SetVideoPlayout(ssrc_, true, track_->GetSource()->FrameInput());
+  provider_->SetVideoPlayout(ssrc_, true, track_->GetSink());
 }
 
 VideoRtpReceiver::~VideoRtpReceiver() {