Convert //media/blink from scoped_ptr to std::unique_ptr

media/blink/webaudiosourceprovider_impl.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 "media/blink/webaudiosourceprovider_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "media/base/bind_to_current_loop.h"
 #include "third_party/WebKit/public/platform/WebAudioSourceProviderClient.h"
 
 using blink::WebVector;
 
 namespace media {
 
 namespace {
 
 // Simple helper class for Try() locks.  Lock is Try()'d on construction and
@@ skipping 190 matching lines @@
     callback.Run(media::OUTPUT_DEVICE_STATUS_ERROR_INTERNAL);
   else
     sink_->SwitchOutputDevice(device_id, security_origin, callback);
 }
 
 void WebAudioSourceProviderImpl::Initialize(const AudioParameters& params,
                                             RenderCallback* renderer) {
   base::AutoLock auto_lock(sink_lock_);
   DCHECK_EQ(state_, kStopped);
 
-  tee_filter_ = make_scoped_ptr(
+  tee_filter_ = base::WrapUnique(
       new TeeFilter(renderer, params.channels(), params.sample_rate()));
 
   sink_->Initialize(params, tee_filter_.get());
 
   if (!set_format_cb_.is_null())
     base::ResetAndReturn(&set_format_cb_).Run();
 }
 
 void WebAudioSourceProviderImpl::SetCopyAudioCallback(
     const CopyAudioCB& callback) {
@@ skipping 20 matching lines @@
   return tee_filter_->Render(audio_bus, 0, 0);
 }
 
 int WebAudioSourceProviderImpl::TeeFilter::Render(AudioBus* audio_bus,
                                                   uint32_t delay_milliseconds,
                                                   uint32_t frames_skipped) {
   const int num_rendered_frames =
       renderer_->Render(audio_bus, delay_milliseconds, frames_skipped);
 
   if (!copy_audio_bus_callback_.is_null()) {
-    scoped_ptr<AudioBus> bus_copy =
+    std::unique_ptr<AudioBus> bus_copy =
         AudioBus::Create(audio_bus->channels(), audio_bus->frames());
     audio_bus->CopyTo(bus_copy.get());
     copy_audio_bus_callback_.Run(std::move(bus_copy), delay_milliseconds,
                                  sample_rate_);
   }
 
   return num_rendered_frames;
 }
 
 void WebAudioSourceProviderImpl::TeeFilter::OnRenderError() {
   renderer_->OnRenderError();
 }
 
 }  // namespace media