Add constants and primitive type readonly attributes to Python IDL compiler

Source/bindings/tests/idls/TestObject.idl

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary formstrArg, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 242 matching lines @@
     [ImplementedAs=blueberry] attribute long strawberry;
 
     [StrictTypeChecking] attribute float strictFloat;
     [StrictTypeChecking, RaisesException] boolean strictFunction(DOMString str, float a, long b);
 
     // ObjectiveC reserved words.
     readonly attribute long      description;
     attribute long               id;
     readonly attribute DOMString hash;
 
-    // Check constants and enums.
-    const unsigned short CONST_VALUE_0 = 0;
-    const unsigned short CONST_VALUE_1 = 1;
-    const unsigned short CONST_VALUE_2 = 2;
-    const unsigned short CONST_VALUE_4 = 4;
-    const unsigned short CONST_VALUE_8 = 8;
-    const short CONST_VALUE_9 = -1;
-    const DOMString CONST_VALUE_10 = "my constant string";
-    const unsigned short CONST_VALUE_11 = 0xffffffff;
-    const unsigned short CONST_VALUE_12 = 0x01;
-    const unsigned short CONST_VALUE_13 = 0X20;
-    const unsigned short CONST_VALUE_14 = 0x1abc;
-    [Reflect=CONST_IMPL] const unsigned short CONST_JAVASCRIPT = 15;
-
     [Replaceable] readonly attribute long replaceableAttribute;
 
     void variadicStringMethod(DOMString head, DOMString... tail);
     void variadicDoubleMethod(double head, double... tail);
     void variadicNodeMethod(Node head, Node... tail);
 
     // Nullable attributes.
     readonly attribute double? nullableDoubleAttribute;
     readonly attribute long? nullableLongAttribute;
     readonly attribute boolean? nullableBooleanAttribute;
@@ skipping 32 matching lines @@
 
     [DeprecateAs=Method] void deprecatedMethod();
     [DeprecateAs=StaticMethod] static void deprecatedStaticMethod();
 
     [DeprecateAs=Constant] const unsigned short DEPRECATED_CONSTANT = 1;
 };
 
 // The following comment should not generate any code
 // TestObject implements TestImplements;