Add cricket::VideoFrame::frame_id() and set it to RTP timestamp.

webrtc/api/androidvideotracksource.cc

 /*
  *  Copyright (c) 2016 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 128 matching lines @@
     rtc::scoped_refptr<webrtc::I420Buffer> scaled_buffer(
         post_scale_pool_.CreateBuffer(adapted_width, adapted_height));
     scaled_buffer->ScaleFrom(buffer);
     buffer = scaled_buffer;
   }
 
   OnFrame(cricket::WebRtcVideoFrame(
               buffer,
               apply_rotation_ ? webrtc::kVideoRotation_0
                               : static_cast<webrtc::VideoRotation>(rotation),
-              translated_camera_time_us),
+              translated_camera_time_us, 0),
           width, height);
 }
 
 void AndroidVideoTrackSource::OnTextureFrameCaptured(
     int width,
     int height,
     int rotation,
     int64_t timestamp_ns,
     const webrtc_jni::NativeHandleImpl& handle) {
   RTC_DCHECK(camera_thread_checker_.CalledOnValidThread());
@@ skipping 30 matching lines @@
     }
     matrix.Rotate(static_cast<webrtc::VideoRotation>(rotation));
   }
 
   OnFrame(cricket::WebRtcVideoFrame(
               surface_texture_helper_->CreateTextureFrame(
                   adapted_width, adapted_height,
                   webrtc_jni::NativeHandleImpl(handle.oes_texture_id, matrix)),
               apply_rotation_ ? webrtc::kVideoRotation_0
                               : static_cast<webrtc::VideoRotation>(rotation),
-              translated_camera_time_us),
+              translated_camera_time_us, 0),
           width, height);
 }
 
 void AndroidVideoTrackSource::OnFrame(const cricket::VideoFrame& frame,
                                       int width,
                                       int height) {
   {
     rtc::CritScope lock(&stats_crit_);
     stats_ = rtc::Optional<AndroidVideoTrackSource::Stats>({width, height});
   }
@@ skipping 40 matching lines @@
   }
   *crop_x = (width - *crop_width) / 2;
   *crop_y = (height - *crop_height) / 2;
 
   *translated_camera_time_us = timestamp_aligner_.ClipTimestamp(
       camera_time_us + offset_us, system_time_us);
   return true;
 }
 
 }  // namespace webrtc