--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/src/nsJSWeakRef.h	Thu Apr 16 15:23:22 2009 -0700
@@ -0,0 +1,28 @@
+#include "nsIJSWeakRef.h"
+
+#define NSJSWEAKREFDI_CONTRACTID "@labs.mozilla.com/jsweakrefdi;1"
+#define NSJSWEAKREFDI_CLASSNAME "nsJSWeakRef"
+#define NSJSWEAKREFDI_CID \
+  {0x32665020, 0x17e1, 0x11de, \
+    { 0x8c, 0x30, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66 }}
+
+class nsJSWeakRefImpl;
+
+void processGarbage();
+
+class nsJSWeakRef : public nsIJSWeakRef
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIJSWEAKREF
+
+  nsJSWeakRef();
+
+private:
+  virtual ~nsJSWeakRef();
+  nsJSWeakRefImpl *impl;
+  friend void processGarbage();
+
+protected:
+  /* additional members */
+};