Reimplemented whitelist handling

chrome/content/tests/qunit.js

Index: chrome/content/tests/qunit.js
===================================================================
--- a/chrome/content/tests/qunit.js
+++ b/chrome/content/tests/qunit.js
@@ -1320,26 +1320,31 @@ QUnit.equiv = (function() {
 
 				"object": function( b, a ) {
 					var i, j, loop,
 						// Default to true
 						eq = true,
 						aProperties = [],
 						bProperties = [];
 
+          /*****************
+           * HACK: Disable this code, it won't do well when comparing objects
+           * from different scopes (different prototypes).
+
 					// comparing constructors is more strict than using
 					// instanceof
 					if ( a.constructor !== b.constructor ) {
 						// Allow objects with no prototype to be equivalent to
 						// objects with Object as their constructor.
 						if ( !(( getProto(a) === null && getProto(b) === Object.prototype ) ||
 							( getProto(b) === null && getProto(a) === Object.prototype ) ) ) {
 								return false;
 						}
 					}
+          *****************/
 
 					// stack constructor before traversing properties
 					callers.push( a.constructor );
 					// track reference to avoid circular references
 					parents.push( a );
 
 					for ( i in a ) { // be strict: don't ensures hasOwnProperty
 									// and go deep