Add support for [NoInterfaceObject] extended attribute to bindings generator

Source/core/css/CSSSupportsRule.idl

 /* Copyright (C) 2012 Motorola Mobility Inc. All rights reserved.
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-interface CSSSupportsRule : CSSRule {
+[
+    NoInterfaceObject,
+] interface CSSSupportsRule : CSSRule {
     readonly attribute CSSRuleList cssRules;
     readonly attribute DOMString conditionText;
 
     [RaisesException] unsigned long insertRule([Default=Undefined] optional DOMString rule,
                              [Default=Undefined] optional unsigned long index);
     [RaisesException] void deleteRule([Default=Undefined] optional unsigned long index);
 };