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

media/audio/mock_audio_manager.cc

Index: media/audio/mock_audio_manager.cc
diff --git a/media/audio/mock_audio_manager.cc b/media/audio/mock_audio_manager.cc
index e7726ca3f3ec9c1556643fadbe5cd1d3b62a4f20..85cbd3972383a69d9079fbde020402cc06602dab 100644
--- a/media/audio/mock_audio_manager.cc
+++ b/media/audio/mock_audio_manager.cc
@@ -90,9 +90,9 @@ std::string MockAudioManager::GetAssociatedOutputDeviceID(
   return std::string();
 }
 
-scoped_ptr<AudioLog> MockAudioManager::CreateAudioLog(
+std::unique_ptr<AudioLog> MockAudioManager::CreateAudioLog(
     AudioLogFactory::AudioComponent component) {
-  return scoped_ptr<AudioLog>();
+  return std::unique_ptr<AudioLog>();

[danakj, 2016/04/22 22:47:37]

nit: nullptr

[dcheng, 2016/04/22 23:13:20]

Done.

 }
 
 }  // namespace media.