Simplify Dictionary::ConversionContext

Source/bindings/templates/interface.cpp

 {% extends 'interface_base.cpp' %}
 
 
 {##############################################################################}
 {% block indexed_property_getter %}
 {% if indexed_property_getter and not indexed_property_getter.is_custom %}
 {% set getter = indexed_property_getter %}
 static void indexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
@@ skipping 599 matching lines @@
     {% endfor %}
 };
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block initialize_event %}
 {% if has_event_constructor %}
-bool initialize{{cpp_class}}({{cpp_class}}Init& eventInit, const Dictionary& options, ExceptionState& exceptionState, const v8::FunctionCallbackInfo<v8::Value>& info, const String& forEventName)
+bool initialize{{cpp_class}}({{cpp_class}}Init& eventInit, const Dictionary& options, ExceptionState& exceptionState, const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    Dictionary::ConversionContext conversionContext(forEventName.isEmpty() ? String("{{interface_name}}") : forEventName, "", exceptionState);
+    Dictionary::ConversionContext conversionContext(exceptionState);
     {% if parent_interface %}{# any Event interface except Event itself #}
-    if (!initialize{{parent_interface}}(eventInit, options, exceptionState, info, forEventName.isEmpty() ? String("{{interface_name}}") : forEventName))
+    if (!initialize{{parent_interface}}(eventInit, options, exceptionState, info))
         return false;
 
     {% endif %}
     {% for attribute in attributes
            if (attribute.is_initialized_by_event_constructor and
                not attribute.idl_type == 'any')%}
     {% set is_nullable = 'true' if attribute.is_nullable else 'false' %}
     {% if attribute.deprecate_as %}
     if (DictionaryHelper::convert(options, conversionContext.setConversionType("{{attribute.idl_type}}", {{is_nullable}}), "{{attribute.name}}", eventInit.{{attribute.cpp_name}})) {
         if (options.hasProperty("{{attribute.name}}"))
@@ skipping 349 matching lines @@
 }
 
 {% for method in methods if method.overloads and method.overloads.has_partial_overloads %}
 void {{v8_class}}::register{{method.name | blink_capitalize}}MethodForPartialInterface(void (*method)(const v8::FunctionCallbackInfo<v8::Value>&))
 {
     {{cpp_class}}V8Internal::{{method.name}}MethodForPartialInterface = method;
 }
 {% endfor %}
 {% endif %}
 {% endblock %}