Revert of Delete cricket::VideoFrame::GetTimeStamp.

webrtc/media/base/videoframe.h

 /*
  *  Copyright (c) 2004 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 27 matching lines @@
   virtual const rtc::scoped_refptr<webrtc::VideoFrameBuffer>&
   video_frame_buffer() const = 0;
 
   // Frame ID. Normally RTP timestamp when the frame was received using RTP.
   virtual uint32_t transport_frame_id() const = 0;
 
   // System monotonic clock, same timebase as rtc::TimeMicros().
   virtual int64_t timestamp_us() const = 0;
   virtual void set_timestamp_us(int64_t time_us) = 0;
 
+  // Deprecated methods, for backwards compatibility.
+  // TODO(nisse): Delete when usage in Chrome and other applications
+  // have been replaced.
+  virtual int64_t GetTimeStamp() const {
+    return rtc::kNumNanosecsPerMicrosec * timestamp_us();
+  }
+
   // Indicates the rotation angle in degrees.
   virtual webrtc::VideoRotation rotation() const = 0;
 
   // Return a copy of frame which has its pending rotation applied. The
   // ownership of the returned frame is held by this frame.
 
   // TODO(nisse): Deprecated, no longer used within webrtc. Should be
   // deleted as soon as downstream applications are updated. Use
   // webrtc::I420Buffer::Rotate instead.
   virtual const VideoFrame* GetCopyWithRotationApplied() const = 0;
 
   // Tests if sample is valid. Returns true if valid.
 
   // TODO(nisse): Deprecated. Should be deleted in the cricket::VideoFrame and
   // webrtc::VideoFrame merge. Validation of sample_size possibly moved to
   // libyuv::ConvertToI420. As an initial step, demote this method to protected
   // status. Used only by WebRtcVideoFrame::Reset.
   static bool Validate(uint32_t fourcc,
                        int w,
                        int h,
                        const uint8_t* sample,
                        size_t sample_size);
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_BASE_VIDEOFRAME_H_