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

media/cast/sender/audio_sender.h

Index: media/cast/sender/audio_sender.h
diff --git a/media/cast/sender/audio_sender.h b/media/cast/sender/audio_sender.h
index b35dc3b4b2993fcee3a549e72800d2d6d25b6c36..c80b43ad26a458e12ecf18df8068e58b0f4464d3 100644
--- a/media/cast/sender/audio_sender.h
+++ b/media/cast/sender/audio_sender.h
@@ -5,10 +5,11 @@
 #ifndef MEDIA_CAST_SENDER_AUDIO_SENDER_H_
 #define MEDIA_CAST_SENDER_AUDIO_SENDER_H_
 
+#include <memory>
+
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time/tick_clock.h"
@@ -44,7 +45,7 @@ class AudioSender : public FrameSender,
   // Note: It is not guaranteed that |audio_frame| will actually be encoded and
   // sent, if AudioSender detects too many frames in flight.  Therefore, clients
   // should be careful about the rate at which this method is called.
-  void InsertAudio(scoped_ptr<AudioBus> audio_bus,
+  void InsertAudio(std::unique_ptr<AudioBus> audio_bus,
                    const base::TimeTicks& recorded_time);
 
  protected:
@@ -54,11 +55,11 @@ class AudioSender : public FrameSender,
  private:
   // Called by the |audio_encoder_| with the next EncodedFrame to send.
   void OnEncodedAudioFrame(int encoder_bitrate,
-                           scoped_ptr<SenderEncodedFrame> encoded_frame,
+                           std::unique_ptr<SenderEncodedFrame> encoded_frame,
                            int samples_skipped);
 
   // Encodes AudioBuses into EncodedFrames.
-  scoped_ptr<AudioEncoder> audio_encoder_;
+  std::unique_ptr<AudioEncoder> audio_encoder_;
 
   // The number of audio samples enqueued in |audio_encoder_|.
   int samples_in_encoder_;