Bug 450692 - Don't unconditionally add inner and outer object hooks to XPConnect objects.

js/src/xpconnect/src/xpcwrappednativejsops.cpp

@@ -1446,8 +1446,12 @@ XPCNativeScriptableShared::PopulateJSClass(JSBool isGlobal)
     else
         mJSClass.base.mark = JS_CLASS_TRACE(XPC_WN_Shared_Trace);
 
+    // Equality is a required hook.
     mJSClass.equality = XPC_WN_Equality;
+
+    if(mFlags.WantOuterObject())
         mJSClass.outerObject = XPC_WN_OuterObject;
+    if(mFlags.WantInnerObject())
         mJSClass.innerObject = XPC_WN_InnerObject;
 }