Remove cricket::VideoFrame::Set/GetElapsedTime()

talk/media/base/videocapturer.h

 /*
  * libjingle
  * Copyright 2010 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 72 matching lines @@
   webrtc::VideoRotation GetRotation() const;
 
   // The width and height of the captured frame could be different from those
   // of VideoFormat. Once the first frame is captured, the width, height,
   // fourcc, pixel_width, and pixel_height should keep the same over frames.
   int    width;         // in number of pixels
   int    height;        // in number of pixels
   uint32 fourcc;        // compression
   uint32 pixel_width;   // width of a pixel, default is 1
   uint32 pixel_height;  // height of a pixel, default is 1
-  int64  elapsed_time;  // elapsed time since the creation of the frame
-                        // source (that is, the camera), in nanoseconds.
+  // TODO(magjed): |elapsed_time| is deprecated - remove once not used anymore.
+  int64  elapsed_time;
   int64  time_stamp;    // timestamp of when the frame was captured, in unix
                         // time with nanosecond units.
   uint32 data_size;     // number of bytes of the frame data
 
   // TODO(guoweis): This can't be converted to VideoRotation yet as it's
   // used by chrome now.
   int    rotation;      // rotation in degrees of the frame (0, 90, 180, 270)
 
   void*  data;          // pointer to the frame data. This object allocates the
                         // memory or points to an existing memory.
@@ skipping 291 matching lines @@
 
   // Whether capturer should apply rotation to the frame before signaling it.
   bool apply_rotation_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(VideoCapturer);
 };
 
 }  // namespace cricket
 
 #endif  // TALK_MEDIA_BASE_VIDEOCAPTURER_H_