Fix double close in MojoAudioOutputStream.

content/browser/renderer_host/media/audio_renderer_host.h

Index: content/browser/renderer_host/media/audio_renderer_host.h
diff --git a/content/browser/renderer_host/media/audio_renderer_host.h b/content/browser/renderer_host/media/audio_renderer_host.h
index 5e4ce65c764632c165f596cf2d20e9d2031ab428..eb3c90f21a602e0586a41fc0e2d01bdb8f87a99d 100644
--- a/content/browser/renderer_host/media/audio_renderer_host.h
+++ b/content/browser/renderer_host/media/audio_renderer_host.h
@@ -91,9 +91,10 @@ class CONTENT_EXPORT AudioRendererHost
   bool OnMessageReceived(const IPC::Message& message) 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;
 
   void OverrideDevicePermissionsForTesting(bool has_access);