Delete unused and almost unused frame-related methods.

webrtc/modules/video_processing/spatial_resampler.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 40 matching lines @@
   } else if ((inFrame.width() == target_width_) &&
              (inFrame.height() == target_height_)) {
     return VPM_OK;
   }
 
   rtc::scoped_refptr<I420Buffer> scaled_buffer(
       buffer_pool_.CreateBuffer(target_width_, target_height_));
 
   scaled_buffer->CropAndScaleFrom(inFrame.video_frame_buffer());
 
-  outFrame->set_video_frame_buffer(scaled_buffer);
-  // Setting time parameters to the output frame.
-  outFrame->set_timestamp(inFrame.timestamp());
-  outFrame->set_render_time_ms(inFrame.render_time_ms());
+  *outFrame = VideoFrame(scaled_buffer,
+                         inFrame.timestamp(),
+                         inFrame.render_time_ms(),
+                         inFrame.rotation());

[nisse-webrtc, 2016/06/15 07:49:20]

On the other hand, at this place the old version discarded rotation info, and
the new version copies it. 

 
   return VPM_OK;
 }
 
 int32_t VPMSimpleSpatialResampler::TargetHeight() {
   return target_height_;
 }
 
 int32_t VPMSimpleSpatialResampler::TargetWidth() {
   return target_width_;
 }
 
 bool VPMSimpleSpatialResampler::ApplyResample(int32_t width, int32_t height) {
   if ((width == target_width_ && height == target_height_) ||
       resampling_mode_ == kNoRescaling)
     return false;
   else
     return true;
 }
 
 }  // namespace webrtc