Revert of Collecting encode_time_ms for each frame

webrtc/video/video_capture_input.h

 /*
  *  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 37 matching lines @@
   virtual void DeliverFrame(VideoFrame video_frame) = 0;
 };
 
 namespace internal {
 class VideoCaptureInput : public webrtc::VideoCaptureInput {
  public:
   VideoCaptureInput(ProcessThread* module_process_thread,
                     VideoCaptureCallback* frame_callback,
                     VideoRenderer* local_renderer,
                     SendStatisticsProxy* send_stats_proxy,
-                    CpuOveruseObserver* overuse_observer,
-                    EncodingTimeObserver* encoding_time_observer);
+                    CpuOveruseObserver* overuse_observer);
   ~VideoCaptureInput();
 
   void IncomingCapturedFrame(const VideoFrame& video_frame) override;
 
  private:
   // Thread functions for deliver captured frames to receivers.
   static bool EncoderThreadFunction(void* obj);
   bool EncoderProcess();
 
   void DeliverI420Frame(VideoFrame* video_frame);
@@ skipping 14 matching lines @@
 
   volatile int stop_;
 
   VideoFrame captured_frame_ GUARDED_BY(capture_cs_.get());
   // Used to make sure incoming time stamp is increasing for every frame.
   int64_t last_captured_timestamp_;
   // Delta used for translating between NTP and internal timestamps.
   const int64_t delta_ntp_internal_ms_;
 
   rtc::scoped_ptr<OveruseFrameDetector> overuse_detector_;
-  EncodingTimeObserver* const encoding_time_observer_;
 };
 
 }  // namespace internal
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_VIDEO_CAPTURE_INPUT_H_