Fix double close in MojoAudioOutputStream.

media/mojo/services/mojo_audio_output_stream.h

Index: media/mojo/services/mojo_audio_output_stream.h
diff --git a/media/mojo/services/mojo_audio_output_stream.h b/media/mojo/services/mojo_audio_output_stream.h
index 533424e9255aa56f781cea645325b60d631c628b..ca5e5e5eff0a6d51daa5f609c7a132b3fbf4e4bc 100644
--- a/media/mojo/services/mojo_audio_output_stream.h
+++ b/media/mojo/services/mojo_audio_output_stream.h
@@ -47,9 +47,10 @@ class MEDIA_MOJO_EXPORT MojoAudioOutputStream
   void SetVolume(double volume) override;
 
   // AudioOutputDelegate::EventHandler implementation.
-  void OnStreamCreated(int stream_id,
-                       base::SharedMemory* shared_memory,
-                       base::CancelableSyncSocket* foreign_socket) override;
+  void OnStreamCreated(
+      int stream_id,
+      base::SharedMemory* shared_memory,
+      std::unique_ptr<base::CancelableSyncSocket> foreign_socket) override;
   void OnStreamError(int stream_id) override;
 
   // Closes connection to client and notifies owner.