Replace custom EventTarget toNative call with [ToNativeArg] extended attribute

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 d9c29e39bf30b0104b32da6d9695a67356f821eb..5260ed9fcdd78cbff06c0d2d7b91864bb2529777 100644
--- a/Source/bindings/templates/methods.cpp
+++ b/Source/bindings/templates/methods.cpp
@@ -166,16 +166,6 @@ for (int i = {{argument.index}}; i < info.Length(); ++i) {
     }
     {{argument.name}}.append(V8{{argument.idl_type}}::toNative(v8::Handle<v8::Object>::Cast(info[i])));
 }
-{# FIXME: remove EventListener special case
-    (just for ListenerFindOrCreate/ListenerFindOnly argument) #}
-{% elif argument.idl_type == 'EventListener' and
-        interface_name == 'EventTarget' and
-        method.name == 'addEventListener' %}
-V8TRYCATCH_VOID(RefPtr<EventListener>, {{argument.name}}, V8EventListenerList::getEventListener(info[{{argument.index}}], false, ListenerFindOrCreate));
-{% elif argument.idl_type == 'EventListener' and
-        interface_name == 'EventTarget' and
-        method.name == 'removeEventListener' %}
-V8TRYCATCH_VOID(RefPtr<EventListener>, {{argument.name}}, V8EventListenerList::getEventListener(info[{{argument.index}}], false, ListenerFindOnly));
 {% else %}
 {{argument.v8_value_to_local_cpp_value}};
 {% endif %}