Update VideoFrameBuffer-related methods to not use references to scoped_refptr.

webrtc/modules/video_coding/codecs/test/videoprocessor.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 316 matching lines @@
   }
   // Check if codec size is different from native/original size, and if so,
   // upsample back to original size: needed for PSNR and SSIM computations.
   if (image.width() != config_.codec_settings->width ||
       image.height() != config_.codec_settings->height) {
     rtc::scoped_refptr<I420Buffer> up_image(
         I420Buffer::Create(config_.codec_settings->width,
                            config_.codec_settings->height));
 
     // Should be the same aspect ratio, no cropping needed.
-    up_image->ScaleFrom(image.video_frame_buffer());
+    up_image->ScaleFrom(*image.video_frame_buffer());
 
     // TODO(mikhal): Extracting the buffer for now - need to update test.
     size_t length =
         CalcBufferSize(kI420, up_image->width(), up_image->height());
     std::unique_ptr<uint8_t[]> image_buffer(new uint8_t[length]);
     int extracted_length = ExtractBuffer(up_image, length, image_buffer.get());
     assert(extracted_length > 0);
     // Update our copy of the last successful frame:
     memcpy(last_successful_frame_buffer_, image_buffer.get(), extracted_length);
     bool write_success = frame_writer_->WriteFrame(image_buffer.get());
@@ skipping 71 matching lines @@
 }
 int32_t VideoProcessorImpl::VideoProcessorDecodeCompleteCallback::Decoded(
     VideoFrame& image) {
   // Forward to parent class.
   video_processor_->FrameDecoded(image);
   return 0;
 }
 
 }  // namespace test
 }  // namespace webrtc