Decouple capture timestamp and reference time

media/capture/video/win/video_capture_device_mf_win.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Windows specific implementation of VideoCaptureDevice.
 // DirectShow is used for capturing. DirectShow provide its own threads
 // for capturing.
 
 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_
 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_
@@ skipping 38 matching lines @@
   // VideoCaptureDevice implementation.
   void AllocateAndStart(
       const VideoCaptureParams& params,
       std::unique_ptr<VideoCaptureDevice::Client> client) override;
   void StopAndDeAllocate() override;
 
   // Captured new video data.
   void OnIncomingCapturedData(const uint8_t* data,
                               int length,
                               int rotation,
-                              const base::TimeTicks& time_stamp);
+                              base::TimeTicks reference_time,
+                              base::TimeDelta timestamp);
 
  private:
   void OnError(const tracked_objects::Location& from_here, HRESULT hr);
 
   Name name_;
   base::win::ScopedComPtr<IMFActivate> device_;
   scoped_refptr<MFReaderCallback> callback_;
 
   base::Lock lock_;  // Used to guard the below variables.
   std::unique_ptr<VideoCaptureDevice::Client> client_;
   base::win::ScopedComPtr<IMFSourceReader> reader_;
   VideoCaptureFormat capture_format_;
   bool capture_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceMFWin);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_