bindings: Use CreateDataProperty() instead of ForceSet()

Source/bindings/core/v8/CustomElementConstructorBuilder.cpp

Index: Source/bindings/core/v8/CustomElementConstructorBuilder.cpp
diff --git a/Source/bindings/core/v8/CustomElementConstructorBuilder.cpp b/Source/bindings/core/v8/CustomElementConstructorBuilder.cpp
index 07d975284ae9837da236ef45e51f24ab02051288..82b3d341a33ed70a04b94516db9e857a6dcf13c6 100644
--- a/Source/bindings/core/v8/CustomElementConstructorBuilder.cpp
+++ b/Source/bindings/core/v8/CustomElementConstructorBuilder.cpp
@@ -196,6 +196,8 @@ bool CustomElementConstructorBuilder::createConstructor(Document* document, Cust
     // This *configures* the property. ForceSet of a function's
     // "prototype" does not affect the value, but can reconfigure the
     // property.
+    // TODO(bashi): Use CreateDataProperty() instead of ForceSet().
+    // http://crbug.com/475206
     if (!v8CallBoolean(m_constructor->ForceSet(context, prototypeKey, m_prototype, v8::PropertyAttribute(v8::ReadOnly | v8::DontEnum | v8::DontDelete))))
         return false;
 
@@ -208,6 +210,8 @@ bool CustomElementConstructorBuilder::createConstructor(Document* document, Cust
         return false;
 
     V8HiddenValue::setHiddenValue(isolate, m_prototype, V8HiddenValue::customElementIsInterfacePrototypeObject(isolate), v8::True(isolate));
+    // TODO(bashi): Use CreateDataProperty() instead of ForceSet().
+    // http://crbug.com/475206
     if (!v8CallBoolean(m_prototype->ForceSet(context, v8String(isolate, "constructor"), m_constructor, v8::DontEnum)))
         return false;