IDL parser: align with current Web IDL specification

tools/idl_parser/test_parser/interface_web.idl

 /* Copyright (c) 2013 The Chromium Authors. All rights reserved.
    Use of this source code is governed by a BSD-style license that can be
   found in the LICENSE file. */
 
 /* Test Interface productions
 
 Run with --test to generate an AST and verify that all comments accurately
 reflect the state of the Nodes.
 
 BUILD Type(Name)
@@ skipping 58 matching lines @@
  *    Value(123)
  *  Const(longValue2)
  *    PrimitiveType(long long)
  *    Value(123)
  *  Attribute(myString)
  *    Type()
  *      PrimitiveType(DOMString)
  *  Attribute(readOnlyString)
  *    Type()
  *      PrimitiveType(DOMString)
+ *  Attribute(staticString)
+ *    Type()
+ *      PrimitiveType(DOMString)
  *  Operation(myFunction)
- *    Type()
- *      PrimitiveType(void)
  *    Arguments()
  *      Argument(myLong)
  *        Type()
  *          PrimitiveType(long long)
+ *    Type()
+ *      PrimitiveType(void)
+ *  Operation(staticFunction)
+ *    Arguments()
+ *      Argument(myLong)
+ *        Type()
+ *          PrimitiveType(long long)
+ *    Type()
+ *      PrimitiveType(void)
  */
 interface MyIFaceBig2 {
   const DOMString? nullValue = null;
   const long longValue = 123;
   const long long longValue2 = 123;
   attribute DOMString myString;
   readonly attribute DOMString readOnlyString;
+  static attribute DOMString staticString;
   void myFunction(long long myLong);
+  static void staticFunction(long long myLong);
 };
 
 
 /* TREE
  *Interface(MyIFaceSpecials)
  *  Operation(set)
- *    Type()
- *      PrimitiveType(void)
  *    Arguments()
  *      Argument(property)
  *        Type()
  *          PrimitiveType(DOMString)
+ *    Type()
+ *      PrimitiveType(void)
  *  Operation(_unnamed_)
- *    Type()
- *      PrimitiveType(double)
  *    Arguments()
  *      Argument(property)
  *        Type()
  *          PrimitiveType(DOMString)
+ *    Type()
+ *      PrimitiveType(double)
  *  Operation(GetFiveSix)
+ *    Arguments()
+ *      Argument(arg)
+ *        Type()
+ *          Typeref(SomeType)
  *    Type()
  *      PrimitiveType(long long)
  *      Array(5)
  *        Array(6)
- *    Arguments()
- *      Argument(arg)
- *        Type()
- *          Typeref(SomeType)
  */
 interface MyIFaceSpecials {
   setter creator void set(DOMString property);
   getter double (DOMString property);
   long long [5][6] GetFiveSix(SomeType arg);
 };