Fix double close in MojoAudioOutputStream.

content/browser/renderer_host/media/audio_renderer_host.h

 // Copyright (c) 2012 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.
 //
 // AudioRendererHost serves audio related requests from AudioRenderer which
 // lives inside the render process and provide access to audio hardware.
 //
 // This class is owned by RenderProcessHostImpl, and instantiated on UI
 // thread, but all other operations and method calls happen on IO thread, so we
 // need to be extra careful about the lifetime of this object. AudioManager is a
@@ skipping 73 matching lines @@
   void GetOutputControllers(
       const RenderProcessHost::GetAudioOutputControllersCallback&
           callback) const;
 
   // BrowserMessageFilter implementation.
   void OnChannelClosing() override;
   void OnDestruct() const override;
   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);
 
  private:
   friend class AudioRendererHostTest;
   friend class BrowserThread;
   friend class base::DeleteHelper<AudioRendererHost>;
   friend class MockAudioRendererHost;
   friend class TestAudioRendererHost;
@@ skipping 121 matching lines @@
   ValidateRenderFrameIdFunction validate_render_frame_id_function_;
 
   AudioOutputAuthorizationHandler authorization_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_RENDERER_HOST_H_