Adding SetNativeData(void*) to nsIMenu, which was needed for making the Help

menu on MacOS merge with the XUL help menu. I copied this straight from GTK.

widget/src/photon/nsMenu.cpp

@@ -441,6 +441,13 @@ NS_METHOD nsMenu::GetNativeData(void **aData)
   return NS_OK;
 }
 
+//-------------------------------------------------------------------------
+NS_METHOD nsMenu::SetNativeData(void * aData)
+{
+  PR_LOG(PhWidLog, PR_LOG_DEBUG, ("nsMenu::SetNativeData - Not Implemented\n"));
+  return NS_OK;
+}
+
 PtWidget_t *nsMenu::GetNativeParent()
 {
 //  PR_LOG(PhWidLog, PR_LOG_DEBUG, ("nsMenu::GetNativeParent\n"));

widget/src/photon/nsMenu.h

@@ -68,6 +68,7 @@ public:
   NS_IMETHOD RemoveItem(const PRUint32 aPos);
   NS_IMETHOD RemoveAll();
   NS_IMETHOD GetNativeData(void** aData);
+  NS_IMETHOD SetNativeData(void* aData);
 
   NS_IMETHOD AddMenuListener(nsIMenuListener * aMenuListener);
   NS_IMETHOD RemoveMenuListener(nsIMenuListener * aMenuListener);