bug 846619 - ArchiveZipFile should use inherited cc nsISupports macros since it inherits from nsDOMFileCC r=smaug

dom/file/ArchiveZipFile.h

@@ -59,8 +59,8 @@ public:
   // Overrides:
   NS_IMETHOD GetInternalStream(nsIInputStream**);
 
-  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-  NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(ArchiveZipFile, nsIDOMFile)
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ArchiveZipFile, nsDOMFileCC)
 
 protected:
   virtual already_AddRefed<nsIDOMBlob> CreateSlice(uint64_t aStart,