Add constants and primitive type readonly attributes to Python IDL compiler

Source/bindings/tests/idls/TestConstants.idl

Index: Source/bindings/tests/idls/TestConstants.idl
diff --git a/Source/bindings/v8/ExceptionMessages.h b/Source/bindings/tests/idls/TestConstants.idl
similarity index 59%
copy from Source/bindings/v8/ExceptionMessages.h
copy to Source/bindings/tests/idls/TestConstants.idl
index 8cd532caf681c6620277cdd9003e8d43f1c49048..7f65869d1f1479112cbfe3881054c83b86f3fcb3 100644
--- a/Source/bindings/v8/ExceptionMessages.h
+++ b/Source/bindings/tests/idls/TestConstants.idl
@@ -28,20 +28,27 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef ExceptionMessages_h
-#define ExceptionMessages_h
+interface TestConstants {
+    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;
+    const unsigned short CONST_VALUE_15 = 010;
+    const unsigned short CONST_VALUE_16 = -010;
+    const unsigned short CONST_VALUE_16 = -0x1A;
+    const unsigned short CONST_VALUE_17 = -0X1a;
 
-#include "wtf/text/WTFString.h"
-
-namespace WebCore {
-
-class ExceptionMessages {
-public:
-    static String failedToExecute(const String& method, const String& type, const String& detail = String());
-    static String failedToGet(const String& property, const String& type, const String& detail);
-    static String failedToSet(const String& property, const String& type, const String& detail);
+    // Extended attributes
+    [Conditional=Condition] const short CONDITIONAL_CONST = 0;
+    [DeprecateAs=Constant] const short DEPRECATED_CONSTANT = 1;
+    [EnabledAtRuntime] const short RUNTIME_ENABLED_CONST = 1;
+    [EnabledAtRuntime=FeatureName] const short FEATURE_ENABLED_CONST = 1;
+    [Reflect=CONST_IMPL] const short CONST_JAVASCRIPT = 1;
 };
-
-} // namespace WebCore
-
-#endif // ExceptionMessages_h