Add support for [NoInterfaceObject] extended attribute to bindings generator

Source/modules/indexeddb/IDBIndex.idl

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 [
+    NoInterfaceObject,
     ImplementationLacksVTable
 ] interface IDBIndex {
     readonly attribute DOMString name;
     readonly attribute IDBObjectStore objectStore;
     [ImplementedAs=keyPathAny] readonly attribute IDBAny keyPath;
     readonly attribute boolean unique;
     readonly attribute boolean multiEntry;
 
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest openCursor([Default=Undefined] optional IDBKeyRange? range, [Default=NullString] optional DOMString direction);
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest openCursor(any key, [Default=NullString] optional DOMString direction);
 
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest openKeyCursor([Default=Undefined] optional IDBKeyRange? range, [Default=NullString] optional DOMString  direction);
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest openKeyCursor(any key, [Default=NullString] optional DOMString direction);
 
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest get(IDBKeyRange? key);
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest get(any key);
 
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest getKey(IDBKeyRange? key);
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest getKey(any key);
 
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest count([Default=Undefined] optional IDBKeyRange? range);
     [CallWith=ScriptExecutionContext, RaisesException] IDBRequest count(any key);
 };