Replace scoped_ptr with std::unique_ptr in //media.

media/cdm/ppapi/external_clear_key/cdm_video_decoder.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/memory/scoped_ptr.h"
 #include "media/cdm/ppapi/external_clear_key/cdm_video_decoder.h"
 
 #if defined(CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER)
 #include "media/cdm/ppapi/external_clear_key/fake_cdm_video_decoder.h"
 #endif
 
 #if defined(CLEAR_KEY_CDM_USE_FFMPEG_DECODER)
 #include "media/cdm/ppapi/external_clear_key/ffmpeg_cdm_video_decoder.h"
 #endif
 
 #if defined(CLEAR_KEY_CDM_USE_LIBVPX_DECODER)
 #include "media/cdm/ppapi/external_clear_key/libvpx_cdm_video_decoder.h"
 #endif
 
 namespace media {
 
-scoped_ptr<CdmVideoDecoder> CreateVideoDecoder(
-    ClearKeyCdmHost* host, const cdm::VideoDecoderConfig& config) {
-  scoped_ptr<CdmVideoDecoder> video_decoder;
+std::unique_ptr<CdmVideoDecoder> CreateVideoDecoder(
+    ClearKeyCdmHost* host,
+    const cdm::VideoDecoderConfig& config) {
+  std::unique_ptr<CdmVideoDecoder> video_decoder;
 #if defined(CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER)
   video_decoder.reset(new FakeCdmVideoDecoder(host));
 
   if (!video_decoder->Initialize(config))
     video_decoder.reset();
 #else
 
 #if defined(CLEAR_KEY_CDM_USE_LIBVPX_DECODER)
   if (config.codec == cdm::VideoDecoderConfig::kCodecVp8 ||
       config.codec == cdm::VideoDecoderConfig::kCodecVp9) {
@@ skipping 12 matching lines @@
   if (!video_decoder->Initialize(config))
     video_decoder.reset();
 #endif
 
 #endif  // CLEAR_KEY_CDM_USE_FAKE_VIDEO_DECODER
 
   return video_decoder;
 }
 
 }  // namespace media