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

media/audio/audio_input_device.h

 // Copyright (c) 2012 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.
 
 // Low-latency audio capturing class utilizing audio input stream provided
 // by a server (browser) process by use of an IPC interface.
 //
 // Relationship of classes:
 //
 //  AudioInputController                 AudioInputDevice
@@ skipping 35 matching lines @@
 // 2. Audio transport thread.
 //    Responsible for calling the CaptureCallback and feed audio samples from
 //    the server side audio layer using a socket and shared memory.
 //
 // Implementation notes:
 // - The user must call Stop() before deleting the class instance.
 
 #ifndef MEDIA_AUDIO_AUDIO_INPUT_DEVICE_H_
 #define MEDIA_AUDIO_AUDIO_INPUT_DEVICE_H_
 
+#include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "media/audio/audio_device_thread.h"
 #include "media/audio/audio_input_ipc.h"
 #include "media/audio/scoped_task_runner_observer.h"
 #include "media/base/audio_capturer_source.h"
 #include "media/base/audio_parameters.h"
 #include "media/base/media_export.h"
 
 namespace media {
 
 // TODO(henrika): This class is based on the AudioOutputDevice class and it has
 // many components in common. Investigate potential for re-factoring.
 // See http://crbug.com/179597.
 // TODO(henrika): Add support for event handling (e.g. OnStateChanged,
 // OnCaptureStopped etc.) and ensure that we can deliver these notifications
 // to any clients using this class.
 class MEDIA_EXPORT AudioInputDevice
     : NON_EXPORTED_BASE(public AudioCapturerSource),
       NON_EXPORTED_BASE(public AudioInputIPCDelegate),
       NON_EXPORTED_BASE(public ScopedTaskRunnerObserver) {
  public:
   // NOTE: Clients must call Initialize() before using.
   AudioInputDevice(
-      scoped_ptr<AudioInputIPC> ipc,
+      std::unique_ptr<AudioInputIPC> ipc,
       const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner);
 
   // AudioCapturerSource implementation.
   void Initialize(const AudioParameters& params,
                   CaptureCallback* callback,
                   int session_id) override;
   void Start() override;
   void Stop() override;
   void SetVolume(double volume) override;
   void SetAutomaticGainControl(bool enabled) override;
@@ skipping 34 matching lines @@
   // If the IO loop dies before we do, we shut down the audio thread from here.
   void WillDestroyCurrentMessageLoop() override;
 
   AudioParameters audio_parameters_;
 
   CaptureCallback* callback_;
 
   // A pointer to the IPC layer that takes care of sending requests over to
   // the AudioInputRendererHost.  Only valid when state_ != IPC_CLOSED and must
   // only be accessed on the IO thread.
-  scoped_ptr<AudioInputIPC> ipc_;
+  std::unique_ptr<AudioInputIPC> ipc_;
 
   // Current state (must only be accessed from the IO thread).  See comments for
   // State enum above.
   State state_;
 
   // The media session ID used to identify which input device to be started.
   // Only modified in Initialize() and ShutDownOnIOThread().
   int session_id_;
 
   // Stores the Automatic Gain Control state. Default is false.
   // Only modified on the IO thread.
   bool agc_is_enabled_;
 
   // Our audio thread callback class.  See source file for details.
   class AudioThreadCallback;
 
   // In order to avoid a race between OnStreamCreated and Stop(), we use this
   // guard to control stopping and starting the audio thread.
   base::Lock audio_thread_lock_;
   AudioDeviceThread audio_thread_;
-  scoped_ptr<AudioInputDevice::AudioThreadCallback> audio_callback_;
+  std::unique_ptr<AudioInputDevice::AudioThreadCallback> audio_callback_;
 
   // Temporary hack to ignore OnStreamCreated() due to the user calling Stop()
   // so we don't start the audio thread pointing to a potentially freed
   // |callback_|.
   //
   // TODO(miu): Replace this by changing AudioCapturerSource to accept the
   // callback via Start(). See http://crbug.com/151051 for details.
   bool stopping_hack_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AudioInputDevice);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_AUDIO_INPUT_DEVICE_H_