Delete DeviceInfoImpl::GetExpectedCaptureDelay and related declarations.

webrtc/modules/video_capture/video_capture_impl.h

 /*
  *  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 76 matching lines @@
     int32_t CaptureSettings(VideoCaptureCapability& /*settings*/) override
     { return -1; }
 
 protected:
     VideoCaptureImpl();
     virtual ~VideoCaptureImpl();
     int32_t DeliverCapturedFrame(VideoFrame& captureFrame);
 
     char* _deviceUniqueId; // current Device unique name;
     CriticalSectionWrapper& _apiCs;
-    int32_t _captureDelay; // Current capture delay. May be changed of platform dependent parts.
     VideoCaptureCapability _requestedCapability; // Should be set by platform dependent code in StartCapture.
 private:
     void UpdateFrameCount();
     uint32_t CalculateFrameRate(int64_t now_ns);
 
     // last time the module process function was called.
     int64_t _lastProcessTimeNanos;
     // last time the frame rate callback function was called.
     int64_t _lastFrameRateCallbackTimeNanos;
 
     rtc::VideoSinkInterface<VideoFrame>* _dataCallBack;
 
     int64_t _lastProcessFrameTimeNanos;
     // timestamp for local captured frames
     int64_t _incomingFrameTimesNanos[kFrameRateCountHistorySize];
     VideoRotation _rotateFrame;  // Set if the frame should be rotated by the
                                  // capture module.
 
     // Indicate whether rotation should be applied before delivered externally.
     bool apply_rotation_;
 };
 }  // namespace videocapturemodule
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_VIDEO_CAPTURE_MAIN_SOURCE_VIDEO_CAPTURE_IMPL_H_