Convert //ppapi to use std::unique_ptr

ppapi/proxy/media_stream_audio_track_resource.cc

 // Copyright 2014 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 "ppapi/proxy/media_stream_audio_track_resource.h"
 
 #include "ppapi/proxy/audio_buffer_resource.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/media_stream_audio_track_shared.h"
 #include "ppapi/shared_impl/media_stream_buffer.h"
@@ skipping 153 matching lines @@
 PP_Resource MediaStreamAudioTrackResource::GetAudioBuffer() {
   int32_t index = buffer_manager()->DequeueBuffer();
   if (index < 0)
       return 0;
 
   MediaStreamBuffer* buffer = buffer_manager()->GetBufferPointer(index);
   DCHECK(buffer);
   scoped_refptr<AudioBufferResource> resource =
       new AudioBufferResource(pp_instance(), index, buffer);
   // Add |pp_resource()| and |resource| into |buffers_|.
-  // |buffers_| uses scoped_ptr<> to hold a ref of |resource|. It keeps the
+  // |buffers_| uses std::unique_ptr<> to hold a ref of |resource|. It keeps the
   // resource alive.
   buffers_.insert(BufferMap::value_type(resource->pp_resource(), resource));
   return resource->GetReference();
 }
 
 void MediaStreamAudioTrackResource::ReleaseBuffers() {
   for (BufferMap::iterator it = buffers_.begin(); it != buffers_.end(); ++it) {
     // Just invalidate and release VideoBufferResorce, but keep PP_Resource.
     // So plugin can still use |RecycleBuffer()|.
     it->second->Invalidate();
     it->second = NULL;
   }
 }
 
 void MediaStreamAudioTrackResource::OnPluginMsgConfigureReply(
     const ResourceMessageReplyParams& params) {
   if (TrackedCallback::IsPending(configure_callback_)) {
     scoped_refptr<TrackedCallback> callback;
     callback.swap(configure_callback_);
     callback->Run(params.result());
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi