Delete DeviceInfoImpl::GetExpectedCaptureDelay and related declarations.

webrtc/modules/video_capture/linux/video_capture_linux.cc

 /*
  *  Copyright (c) 2012 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 209 matching lines @@
     if (ioctl(_deviceFd, VIDIOC_S_FMT, &video_fmt) < 0)
     {
         WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
                    "error in VIDIOC_S_FMT, errno = %d", errno);
         return -1;
     }
 
     // initialize current width and height
     _currentWidth = video_fmt.fmt.pix.width;
     _currentHeight = video_fmt.fmt.pix.height;
-    _captureDelay = 120;
 
     // Trying to set frame rate, before check driver capability.
     bool driver_framerate_support = true;
     struct v4l2_streamparm streamparms;
     memset(&streamparms, 0, sizeof(streamparms));
     streamparms.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
     if (ioctl(_deviceFd, VIDIOC_G_PARM, &streamparms) < 0) {
         WEBRTC_TRACE(webrtc::kTraceError, webrtc::kTraceVideoCapture, 0,
                    "error in VIDIOC_G_PARM errno = %d", errno);
         driver_framerate_support = false;
@@ skipping 238 matching lines @@
 {
     settings.width = _currentWidth;
     settings.height = _currentHeight;
     settings.maxFPS = _currentFrameRate;
     settings.rawType=_captureVideoType;
 
     return 0;
 }
 }  // namespace videocapturemodule
 }  // namespace webrtc