The second argument of add/removeEventListener should be an object, null, or undefined

third_party/WebKit/Source/bindings/templates/methods.cpp.tmpl

 {% from 'utilities.cpp.tmpl' import declare_enum_validation_variable, v8_value_to_local_cpp_value %}
 
 {##############################################################################}
 {% macro generate_method(method, world_suffix) %}
 static void {{method.name}}{{method.overload_index}}Method{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info) {
   {% filter format_remove_duplicates([
       'ExceptionState exceptionState',
       'ScriptState* scriptState = ']) %}
   {% set define_exception_state -%}
   ExceptionState exceptionState(info.GetIsolate(), ExceptionState::ExecutionContext, "{{interface_name}}", "{{method.name}}");
@@ skipping 133 matching lines @@
   {% else %}
   {{cpp_method_call(method, argument.v8_set_return_value, argument.cpp_value) | indent(2)}}
   {% endif %}
   return;
 }
 {% endif %}
 {% if argument.is_callback_interface %}
 {# FIXME: remove EventListener special case #}
 {% if argument.idl_type == 'EventListener' %}
 {% if method.name == 'removeEventListener' or method.name == 'removeListener' %}
-{{argument.name}} = V8EventListenerHelper::getEventListener(ScriptState::current(info.GetIsolate()), info[{{argument.index}}], false, ListenerFindOnly);
+{{argument.name}} = V8EventListenerHelper::getEventListener(ScriptState::current(info.GetIsolate()), info[{{argument.index}}], false, ListenerFindOnly, exceptionState);
 {% else %}{# method.name == 'addEventListener' #}
-{{argument.name}} = V8EventListenerHelper::getEventListener(ScriptState::current(info.GetIsolate()), info[{{argument.index}}], false, ListenerFindOrCreate);
+{{argument.name}} = V8EventListenerHelper::getEventListener(ScriptState::current(info.GetIsolate()), info[{{argument.index}}], false, ListenerFindOrCreate, exceptionState);
 {% endif %}{# method.name #}
 {% else %}{# argument.idl_type == 'EventListener' #}
 {# Callback functions must be functions:
    http://www.w3.org/TR/WebIDL/#es-callback-function #}
 {% if argument.is_optional %}
 if (!isUndefinedOrNull(info[{{argument.index}}])) {
   if (!info[{{argument.index}}]->IsFunction()) {
     {{throw_argument_error(method, argument, "The callback provided as parameter %(index)d is not a function.")}}
     return;
   }
@@ skipping 470 matching lines @@
                           if method.overloads else
                           method.runtime_enabled_feature_name) %}
 const V8DOMConfiguration::MethodConfiguration {{method.name}}MethodConfiguration = {{method_configuration(method)}};
 V8DOMConfiguration::installMethod(isolate, world, v8::Local<v8::Object>(), prototypeObject, interfaceObject, signature, {{method.name}}MethodConfiguration);
 {% endfilter %}{# runtime_enabled() #}
 {% endfilter %}{# exposed() #}
 {% endfilter %}{# secure_context() #}
 {% endfor %}
 {% endif %}
 {%- endmacro %}