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

media/cast/test/utility/audio_utility.h

 // 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.
 
 #ifndef MEDIA_CAST_TEST_UTILITY_AUDIO_UTILITY_H_
 #define MEDIA_CAST_TEST_UTILITY_AUDIO_UTILITY_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 16 matching lines @@
 class TestAudioBusFactory {
  public:
   TestAudioBusFactory(int num_channels,
                       int sample_rate,
                       float sine_wave_frequency,
                       float volume);
   ~TestAudioBusFactory();
 
   // Creates a new AudioBus of the given |duration|, filled with the next batch
   // of sine wave samples.
-  scoped_ptr<AudioBus> NextAudioBus(const base::TimeDelta& duration);
+  std::unique_ptr<AudioBus> NextAudioBus(const base::TimeDelta& duration);
 
   // A reasonable test tone.
   static const int kMiddleANoteFreq = 440;
 
  private:
   const int num_channels_;
   const int sample_rate_;
   const float volume_;
   SineWaveAudioSource source_;
 
@@ skipping 29 matching lines @@
                      float* samples);
 
 // Decode a timestamp encoded with EncodeTimestamp. Returns true if a
 // timestamp was found in |samples|.
 bool DecodeTimestamp(const float* samples, size_t length, uint16_t* timestamp);
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_TEST_UTILITY_AUDIO_UTILITY_H_