Cleanup of webrtc::VideoRenderer

webrtc/test/mac/video_renderer_mac.mm

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 107 matching lines @@
   [window_ performSelectorOnMainThread:@selector(createWindow:)
                             withObject:nil
                          waitUntilDone:YES];
 
   [window_ makeCurrentContext];
   GlRenderer::Init();
   GlRenderer::ResizeViewport(width, height);
   return true;
 }
 
-void MacRenderer::RenderFrame(const VideoFrame& frame, int /*delta*/) {
+void MacRenderer::OnFrame(const VideoFrame& frame) {
   [window_ makeCurrentContext];
-  GlRenderer::RenderFrame(frame, 0);
+  GlRenderer::OnFrame(frame);
 }
 
 }  // test
 }  // webrtc