Remove remaining quality-analysis (QM).

webrtc/modules/video_processing/video_processing_impl.cc

 /*
  *  Copyright (c) 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 51 matching lines @@
   rtc::CritScope cs(&mutex_);
   frame_pre_processor_.EnableDenoising(enable);
 }
 
 const VideoFrame* VideoProcessingImpl::PreprocessFrame(
     const VideoFrame& frame) {
   rtc::CritScope mutex(&mutex_);
   return frame_pre_processor_.PreprocessFrame(frame);
 }
 
-VideoContentMetrics* VideoProcessingImpl::GetContentMetrics() const {
-  rtc::CritScope mutex(&mutex_);
-  return frame_pre_processor_.GetContentMetrics();
-}
-
-void VideoProcessingImpl::EnableContentAnalysis(bool enable) {
-  rtc::CritScope mutex(&mutex_);
-  frame_pre_processor_.EnableContentAnalysis(enable);
-}
-
 }  // namespace webrtc