Introduce ES6 iterator for DOM objects.

Source/bindings/templates/methods.cpp

Index: Source/bindings/templates/methods.cpp
diff --git a/Source/bindings/templates/methods.cpp b/Source/bindings/templates/methods.cpp
index e33041bb0a4df4aa0bb441c9ceda7aa41767648e..d1bf3f47133a3e68937078e3726d4174736d5ac5 100644
--- a/Source/bindings/templates/methods.cpp
+++ b/Source/bindings/templates/methods.cpp
@@ -437,7 +437,7 @@ static void {{overloads.name}}Method{{world_suffix}}(const v8::FunctionCallbackI
 
 
 {##############################################################################}
-{% macro method_callback(method, world_suffix) %}
+{% macro method_callback(method, world_suffix, internal_namespace='') %}
 {% filter conditional(method.conditional_string) %}
 static void {{method.name}}MethodCallback{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
@@ -465,7 +465,7 @@ static void {{method.name}}MethodCallback{{world_suffix}}(const v8::FunctionCall
     {% if method.is_custom %}
     {{v8_class}}::{{method.name}}MethodCustom(info);
     {% else %}
-    {{cpp_class}}V8Internal::{{method.name}}Method{{world_suffix}}(info);
+    {{cpp_class}}V8Internal{{internal_namespace}}::{{method.name}}Method{{world_suffix}}(info);
     {% endif %}
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }