Add constants and primitive type readonly attributes to Python IDL compiler

Source/bindings/tests/results/V8TestNode.cpp

Index: Source/bindings/tests/results/V8TestNode.cpp
diff --git a/Source/bindings/tests/results/V8TestNode.cpp b/Source/bindings/tests/results/V8TestNode.cpp
index 18cd14f6139268ff6694c0a14a7b2a9e6ea099a0..aaba795f49bcbdadc2300b71b03e6d263c288415 100644
--- a/Source/bindings/tests/results/V8TestNode.cpp
+++ b/Source/bindings/tests/results/V8TestNode.cpp
@@ -98,7 +98,7 @@ static v8::Handle<v8::FunctionTemplate> ConfigureV8TestNodeTemplate(v8::Handle<v
     defaultSignature = V8DOMConfiguration::installDOMClassTemplate(desc, "TestNode", V8Node::GetTemplate(isolate, currentWorldType), V8TestNode::internalFieldCount,
         0, 0,
         0, 0, isolate, currentWorldType);
-    UNUSED_PARAM(defaultSignature); // In some cases, it will not be used.
+    UNUSED_PARAM(defaultSignature);
     desc->SetCallHandler(V8TestNode::constructorCallback);
     desc->SetLength(0);