Delete VideoRendererInterface.

talk/app/webrtc/objc/RTCVideoTrack.mm

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 60 matching lines @@
   }
   return self;
 }
 
 - (void)configure {
   _adapters = [NSMutableArray array];
 }
 
 - (void)dealloc {
   for (RTCVideoRendererAdapter *adapter in _adapters) {
-    self.nativeVideoTrack->RemoveRenderer(adapter.nativeVideoRenderer);
+    self.nativeVideoTrack->RemoveSink(adapter.nativeVideoRenderer);
   }
 }
 
 - (void)addRenderer:(id<RTCVideoRenderer>)renderer {
   // Make sure we don't have this renderer yet.
   for (RTCVideoRendererAdapter* adapter in _adapters) {
     NSParameterAssert(adapter.videoRenderer != renderer);
   }
   // Create a wrapper that provides a native pointer for us.
   RTCVideoRendererAdapter* adapter =
       [[RTCVideoRendererAdapter alloc] initWithVideoRenderer:renderer];
   [_adapters addObject:adapter];
-  self.nativeVideoTrack->AddRenderer(adapter.nativeVideoRenderer);
+  self.nativeVideoTrack->AddOrUpdateSink(adapter.nativeVideoRenderer,
+                                         rtc::VideoSinkWants());
 }
 
 - (void)removeRenderer:(id<RTCVideoRenderer>)renderer {
   RTCVideoRendererAdapter* adapter = nil;
   NSUInteger indexToRemove = NSNotFound;
   for (NSUInteger i = 0; i < _adapters.count; i++) {
     adapter = _adapters[i];
     if (adapter.videoRenderer == renderer) {
       indexToRemove = i;
       break;
     }
   }
   if (indexToRemove == NSNotFound) {
     return;
   }
-  self.nativeVideoTrack->RemoveRenderer(adapter.nativeVideoRenderer);
+  self.nativeVideoTrack->RemoveSink(adapter.nativeVideoRenderer);
   [_adapters removeObjectAtIndex:indexToRemove];
 }
 
 @end
 
 @implementation RTCVideoTrack (Internal)
 
 - (rtc::scoped_refptr<webrtc::VideoTrackInterface>)nativeVideoTrack {
   return static_cast<webrtc::VideoTrackInterface*>(self.mediaTrack.get());
 }
 
 @end