Replace scoped_ptr with unique_ptr in webrtc/modules/video_coding/

webrtc/modules/video_coding/codecs/vp9/vp9_impl.h

 /*
  *  Copyright (c) 2014 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.
  *
  */
 
 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_IMPL_H_
 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_IMPL_H_
 
+#include <memory>
 #include <vector>
 
 #include "webrtc/modules/video_coding/codecs/vp9/include/vp9.h"
 #include "webrtc/modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.h"
 
 #include "vpx/svc_context.h"
 #include "vpx/vpx_decoder.h"
 #include "vpx/vpx_encoder.h"
 
 namespace webrtc {
@@ skipping 96 matching lines @@
   size_t frames_since_kf_;
   uint8_t num_temporal_layers_;
   uint8_t num_spatial_layers_;
 
   // Used for flexible mode.
   bool is_flexible_mode_;
   int64_t buffer_updated_at_frame_[kNumVp9Buffers];
   int64_t frames_encoded_;
   uint8_t num_ref_pics_[kMaxVp9NumberOfSpatialLayers];
   uint8_t p_diff_[kMaxVp9NumberOfSpatialLayers][kMaxVp9RefPics];
-  rtc::scoped_ptr<ScreenshareLayersVP9> spatial_layer_;
+  std::unique_ptr<ScreenshareLayersVP9> spatial_layer_;
 };
 
 class VP9DecoderImpl : public VP9Decoder {
  public:
   VP9DecoderImpl();
 
   virtual ~VP9DecoderImpl();
 
   int InitDecode(const VideoCodec* inst, int number_of_cores) override;
 
@@ skipping 16 matching lines @@
   Vp9FrameBufferPool frame_buffer_pool_;
   DecodedImageCallback* decode_complete_callback_;
   bool inited_;
   vpx_codec_ctx_t* decoder_;
   VideoCodec codec_;
   bool key_frame_required_;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP9_VP9_IMPL_H_