diff -r 000000000000 -r 6474c204b198 toolkit/xre/MacAutoreleasePool.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/xre/MacAutoreleasePool.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+/* 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/. */
+
+#ifndef MacAutoreleasePool_h_
+#define MacAutoreleasePool_h_
+
+// This needs to be #include-able from non-ObjC code in nsAppRunner.cpp
+#ifdef __OBJC__
+@class NSAutoreleasePool;
+#else
+class NSAutoreleasePool;
+#endif
+
+namespace mozilla {
+
+class MacAutoreleasePool {
+public:
+  MacAutoreleasePool();
+  ~MacAutoreleasePool();
+
+private:
+  NSAutoreleasePool *mPool;
+
+  MacAutoreleasePool(const MacAutoreleasePool&);
+  void operator=(const MacAutoreleasePool&);
+};
+
+}
+
+#endif // MacAutoreleasePool_h_