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

media/audio/alsa/alsa_output.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.
 //
 // THREAD SAFETY
 //
 // AlsaPcmOutputStream object is *not* thread-safe and should only be used
 // from the audio thread.  We DCHECK on this assumption whenever we can.
 //
 // SEMANTICS OF Close()
@@ skipping 543 matching lines @@
   void** hints = NULL;
   int error = wrapper_->DeviceNameHint(kGetAllDevices,
                                        kPcmInterfaceName,
                                        &hints);
   if (error == 0) {
     // NOTE: Do not early return from inside this if statement.  The
     // hints above need to be freed.
     for (void** hint_iter = hints; *hint_iter != NULL; hint_iter++) {
       // Only examine devices that are output capable..  Valid values are
       // "Input", "Output", and NULL which means both input and output.
-      scoped_ptr<char, base::FreeDeleter> io(
+      std::unique_ptr<char, base::FreeDeleter> io(
           wrapper_->DeviceNameGetHint(*hint_iter, kIoHintName));
       if (io != NULL && strcmp(io.get(), "Input") == 0)
         continue;
 
       // Attempt to select the closest device for number of channels.
-      scoped_ptr<char, base::FreeDeleter> name(
+      std::unique_ptr<char, base::FreeDeleter> name(
           wrapper_->DeviceNameGetHint(*hint_iter, kNameHintName));
       if (strncmp(wanted_device, name.get(), strlen(wanted_device)) == 0) {
         guessed_device = name.get();
         break;
       }
     }
 
     // Destroy the hint now that we're done with it.
     wrapper_->DeviceNameFreeHint(hints);
     hints = NULL;
@@ skipping 214 matching lines @@
 }
 
 // Changes the AudioSourceCallback to proxy calls to.  Pass in NULL to
 // release ownership of the currently registered callback.
 void AlsaPcmOutputStream::set_source_callback(AudioSourceCallback* callback) {
   DCHECK(IsOnAudioThread());
   source_callback_ = callback;
 }
 
 }  // namespace media