Bug 1331809 - Remove unused variable in WrapperOwner::hasInstance(). r=kanru

MozReview-Commit-ID: 3de6HDTVpU0

--HG--
extra : rebase_source : 19c7899e6d70ffc3f8a469b8cd0a6a08b2654b6d

js/ipc/WrapperOwner.cpp

@@ -717,7 +717,6 @@ WrapperOwner::hasInstance(JSContext* cx, HandleObject proxy, MutableHandleValue
         return false;
 
     ReturnStatus status;
-    JSVariant result;
     if (!SendHasInstance(objId, vVar, &status, bp))
         return ipcfail(cx);