Make wrapperTypeInfo static member const in bindings classes

Source/bindings/v8/CustomElementConstructorBuilder.h

Index: Source/bindings/v8/CustomElementConstructorBuilder.h
diff --git a/Source/bindings/v8/CustomElementConstructorBuilder.h b/Source/bindings/v8/CustomElementConstructorBuilder.h
index 2ea39e21cf747a614661f9a43b76602724584623..6f77ca2a7bd1dbf9e87bdfd2926feb9a7e1d918d 100644
--- a/Source/bindings/v8/CustomElementConstructorBuilder.h
+++ b/Source/bindings/v8/CustomElementConstructorBuilder.h
@@ -78,14 +78,14 @@ public:
     ScriptValue bindingsReturnValue() const;
 
 private:
-    bool hasValidPrototypeChainFor(WrapperTypeInfo*) const;
+    bool hasValidPrototypeChainFor(const WrapperTypeInfo*) const;
     bool prototypeIsValid(const AtomicString& type, ExceptionState&) const;
     v8::Handle<v8::Function> retrieveCallback(v8::Isolate*, const char* name);
 
     v8::Handle<v8::Context> m_context;
     const Dictionary* m_options;
     v8::Handle<v8::Object> m_prototype;
-    WrapperTypeInfo* m_wrapperType;
+    const WrapperTypeInfo* m_wrapperType;
     v8::Handle<v8::Function> m_constructor;
     RefPtr<V8CustomElementLifecycleCallbacks> m_callbacks;
 };