import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

widget/windows/AudioSession.h

@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsString.h"
+
+namespace mozilla {
+namespace widget {
+
+// Start the audio session in the current process
+nsresult StartAudioSession();
+
+// Pass the information necessary to start an audio session in another process
+nsresult GetAudioSessionData(nsID& aID,
+                             nsString& aSessionName,
+                             nsString& aIconPath);
+
+// Receive the information necessary to start an audio session in a non-chrome
+// process
+nsresult RecvAudioSessionData(const nsID& aID,
+                              const nsString& aSessionName,
+                              const nsString& aIconPath);
+
+// Stop the audio session in the current process
+nsresult StopAudioSession();
+
+} // namespace widget
+} // namespace mozilla