Fix broken CVO header extension

webrtc/api/test/fakevideotrackrenderer.h

 /*
  *  Copyright 2012 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 14 matching lines @@
   }
   ~FakeVideoTrackRenderer() { video_track_->RemoveSink(this); }
 
   virtual void OnFrame(const cricket::VideoFrame& video_frame) override {
     fake_renderer_.RenderFrame(&video_frame);
   }
 
   int errors() const { return fake_renderer_.errors(); }
   int width() const { return fake_renderer_.width(); }
   int height() const { return fake_renderer_.height(); }
+  webrtc::VideoRotation rotation() const { return fake_renderer_.rotation(); }
   bool black_frame() const { return fake_renderer_.black_frame(); }
 
   int num_rendered_frames() const {
     return fake_renderer_.num_rendered_frames();
   }
 
  private:
   cricket::FakeVideoRenderer fake_renderer_;
   rtc::scoped_refptr<VideoTrackInterface> video_track_;
 };
@@ skipping 21 matching lines @@
   }
 
  private:
   cricket::FakeVideoRenderer fake_renderer_;
   rtc::scoped_refptr<VideoTrackInterface> video_track_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_TEST_FAKEVIDEOTRACKRENDERER_H_