Pass a TimeTicks along video capture pipeline to represent capture time

content/renderer/pepper/pepper_media_stream_video_track_host.h

 // Copyright 2014 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.
 
 #ifndef CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_STREAM_VIDEO_TRACK_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_STREAM_VIDEO_TRACK_HOST_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/renderer/media_stream_video_sink.h"
@@ skipping 38 matching lines @@
 
   // PepperMediaStreamTrackHostBase overrides:
   virtual void OnClose() OVERRIDE;
   virtual int32_t OnHostMsgEnqueueBuffer(
       ppapi::host::HostMessageContext* context, int32_t index) OVERRIDE;
 
   // Sends frame with |index| to |track_|.
   int32_t SendFrameToTrack(int32_t index);
 
   void OnVideoFrame(const scoped_refptr<media::VideoFrame>& frame,
-                    const media::VideoCaptureFormat& format);
+                    const media::VideoCaptureFormat& format,
+                    const base::TimeTicks& estimated_capture_time);
 
   // MediaStreamVideoSource overrides:
   virtual void GetCurrentSupportedFormats(
       int max_requested_width,
       int max_requested_height,
       const VideoCaptureDeviceFormatsCB& callback) OVERRIDE;
 
   virtual void StartSourceImpl(
       const media::VideoCaptureParams& params,
       const VideoCaptureDeliverFrameCB& frame_callback) OVERRIDE;
@@ skipping 50 matching lines @@
   scoped_refptr<FrameDeliverer> frame_deliverer_;
 
   base::WeakPtrFactory<PepperMediaStreamVideoTrackHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperMediaStreamVideoTrackHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_STREAM_VIDEO_TRACK_HOST_H_