[Bindings] Reformat template files for Interface (1/4)

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

 {% extends 'interface_base.cpp.tmpl' %}
 
 {% set has_prepare_prototype_and_interface_object =
     unscopables or has_conditional_attributes_on_prototype or
     methods | conditionally_exposed(is_partial) %}
 {% set prepare_prototype_and_interface_object_func =
     '%s::preparePrototypeAndInterfaceObject' % v8_class
     if has_prepare_prototype_and_interface_object
     else 'nullptr' %}
 
 
 {##############################################################################}
 {% 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)
-{
-    {% if getter.is_raises_exception %}
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::IndexedGetterContext, "{{interface_name}}");
-    {% endif %}
+static void indexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) {
+  {% if getter.is_raises_exception %}
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::IndexedGetterContext, "{{interface_name}}");
+  {% endif %}
 
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
 
-    // We assume that all the implementations support length() method, although
-    // the spec doesn't require that length() must exist.  It's okay that
-    // the interface does not have length attribute as long as the
-    // implementation supports length() member function.
-    if (index >= impl->length())
-        return;  // Returns undefined due to out-of-range.
+  // We assume that all the implementations support length() method, although
+  // the spec doesn't require that length() must exist.  It's okay that
+  // the interface does not have length attribute as long as the
+  // implementation supports length() member function.
+  if (index >= impl->length())
+    return;  // Returns undefined due to out-of-range.
 
-    {% set getter_name = getter.name or 'anonymousIndexedGetter' %}
-    {% set getter_arguments = ['index'] %}
-    {% if getter.is_call_with_script_state %}
-    ScriptState* scriptState = ScriptState::forReceiverObject(info);
-    {% set getter_arguments = ['scriptState'] + getter_arguments %}
-    {% endif %}
-    {% if getter.is_raises_exception %}
-    {% set getter_arguments = getter_arguments + ['exceptionState'] %}
-    {% endif %}
-    {{getter.cpp_type}} result = impl->{{getter_name}}({{getter_arguments | join(', ')}});
-    {{getter.v8_set_return_value}};
+  {% set getter_name = getter.name or 'anonymousIndexedGetter' %}
+  {% set getter_arguments = ['index'] %}
+  {% if getter.is_call_with_script_state %}
+  ScriptState* scriptState = ScriptState::forReceiverObject(info);
+  {% set getter_arguments = ['scriptState'] + getter_arguments %}
+  {% endif %}
+  {% if getter.is_raises_exception %}
+  {% set getter_arguments = getter_arguments + ['exceptionState'] %}
+  {% endif %}
+  {{getter.cpp_type}} result = impl->{{getter_name}}({{getter_arguments | join(', ')}});
+  {{getter.v8_set_return_value}};
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block indexed_property_getter_callback %}
 {% if indexed_property_getter or named_property_getter %}
 {% set getter = indexed_property_getter or named_property_getter %}
-void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    {% if indexed_property_getter %}
+void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info) {
+  {% if indexed_property_getter %}
 
-    {% if getter.is_custom %}
-    {{v8_class}}::indexedPropertyGetterCustom(index, info);
-    {% else %}
-    {{cpp_class}}V8Internal::indexedPropertyGetter(index, info);
-    {% endif %}
+  {% if getter.is_custom %}
+  {{v8_class}}::indexedPropertyGetterCustom(index, info);
+  {% else %}
+  {{cpp_class}}V8Internal::indexedPropertyGetter(index, info);
+  {% endif %}
 
-    {% else %}{# otherwise, named property #}
+  {% else %}{# otherwise, named property #}
 
-    const AtomicString& propertyName = AtomicString::number(index);
+  const AtomicString& propertyName = AtomicString::number(index);
 
-    {% if getter.is_custom %}
-    {{v8_class}}::namedPropertyGetterCustom(propertyName, info);
-    {% else %}
-    {{cpp_class}}V8Internal::namedPropertyGetter(propertyName, info);
-    {% endif %}
+  {% if getter.is_custom %}
+  {{v8_class}}::namedPropertyGetterCustom(propertyName, info);
+  {% else %}
+  {{cpp_class}}V8Internal::namedPropertyGetter(propertyName, info);
+  {% endif %}
 
-    {% endif %}{# indexed_property_getter #}
+  {% endif %}{# indexed_property_getter #}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block indexed_property_setter %}
 {% from 'utilities.cpp.tmpl' import v8_value_to_local_cpp_value %}
 {% if indexed_property_setter and not indexed_property_setter.is_custom %}
 {% set setter = indexed_property_setter %}
-static void indexedPropertySetter(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    {% if setter.has_exception_state %}
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::IndexedSetterContext, "{{interface_name}}");
-    {% endif %}
+static void indexedPropertySetter(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info) {
+  {% if setter.has_exception_state %}
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::IndexedSetterContext, "{{interface_name}}");
+  {% endif %}
 
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
-    {{v8_value_to_local_cpp_value(setter) | indent}}
-    {% if setter.has_type_checking_interface %}
-    {# Type checking for interface types (if interface not implemented, throw
-       TypeError), per http://www.w3.org/TR/WebIDL/#es-interface #}
-    if (!propertyValue{% if setter.is_nullable %} && !isUndefinedOrNull(v8Value){% endif %}) {
-        exceptionState.throwTypeError("The provided value is not of type '{{setter.idl_type}}'.");
-        return;
-    }
-    {% endif %}
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
+  {{v8_value_to_local_cpp_value(setter) | indent(2)}}
+  {% if setter.has_type_checking_interface %}
+  {# Type checking for interface types (if interface not implemented, throw
+     TypeError), per http://www.w3.org/TR/WebIDL/#es-interface #}
+  if (!propertyValue{% if setter.is_nullable %} && !isUndefinedOrNull(v8Value){% endif %}) {
+    exceptionState.throwTypeError("The provided value is not of type '{{setter.idl_type}}'.");
+    return;
+  }
+  {% endif %}
 
-    {% set setter_name = setter.name or 'anonymousIndexedSetter' %}
-    {% set setter_arguments = ['index', 'propertyValue'] %}
-    {% if setter.is_call_with_script_state %}
-    ScriptState* scriptState = ScriptState::forReceiverObject(info);
-    {% set setter_arguments = ['scriptState'] + setter_arguments %}
-    {% endif %}
-    {% if setter.is_raises_exception %}
-    {% set setter_arguments = setter_arguments + ['exceptionState'] %}
-    {% endif %}
-    bool result = impl->{{setter_name}}({{setter_arguments | join(', ')}});
-    {% if setter.is_raises_exception %}
-    if (exceptionState.hadException())
-        return;
-    {% endif %}
-    if (!result)
-        return;
-    v8SetReturnValue(info, v8Value);
+  {% set setter_name = setter.name or 'anonymousIndexedSetter' %}
+  {% set setter_arguments = ['index', 'propertyValue'] %}
+  {% if setter.is_call_with_script_state %}
+  ScriptState* scriptState = ScriptState::forReceiverObject(info);
+  {% set setter_arguments = ['scriptState'] + setter_arguments %}
+  {% endif %}
+  {% if setter.is_raises_exception %}
+  {% set setter_arguments = setter_arguments + ['exceptionState'] %}
+  {% endif %}
+  bool result = impl->{{setter_name}}({{setter_arguments | join(', ')}});
+  {% if setter.is_raises_exception %}
+  if (exceptionState.hadException())
+    return;
+  {% endif %}
+  if (!result)
+    return;
+  v8SetReturnValue(info, v8Value);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block indexed_property_setter_callback %}
 {% if indexed_property_setter or named_property_setter %}
 {% set setter = indexed_property_setter or named_property_setter %}
-void indexedPropertySetterCallback(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    {% if setter.is_ce_reactions %}
-    CEReactionsScope ceReactionsScope;
-    {% endif %}
+void indexedPropertySetterCallback(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info) {
+  {% if setter.is_ce_reactions %}
+  CEReactionsScope ceReactionsScope;
+  {% endif %}
 
-    {% if indexed_property_setter %}
+  {% if indexed_property_setter %}
 
-    {% if setter.is_custom %}
-    {{v8_class}}::indexedPropertySetterCustom(index, v8Value, info);
-    {% else %}
-    {{cpp_class}}V8Internal::indexedPropertySetter(index, v8Value, info);
-    {% endif %}
+  {% if setter.is_custom %}
+  {{v8_class}}::indexedPropertySetterCustom(index, v8Value, info);
+  {% else %}
+  {{cpp_class}}V8Internal::indexedPropertySetter(index, v8Value, info);
+  {% endif %}
 
-    {% else %}{# otherwise, named property #}
+  {% else %}{# otherwise, named property #}
 
-    const AtomicString& propertyName = AtomicString::number(index);
+  const AtomicString& propertyName = AtomicString::number(index);
 
-    {% if setter.is_custom %}
-    {{v8_class}}::namedPropertySetterCustom(propertyName, v8Value, info);
-    {% else %}
-    {{cpp_class}}V8Internal::namedPropertySetter(propertyName, v8Value, info);
-    {% endif %}
+  {% if setter.is_custom %}
+  {{v8_class}}::namedPropertySetterCustom(propertyName, v8Value, info);
+  {% else %}
+  {{cpp_class}}V8Internal::namedPropertySetter(propertyName, v8Value, info);
+  {% endif %}
 
-    {% endif %}{# indexed_property_setter #}
+  {% endif %}{# indexed_property_setter #}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block indexed_property_deleter %}
 {% if indexed_property_deleter and not indexed_property_deleter.is_custom %}
 {% set deleter = indexed_property_deleter %}
-static void indexedPropertyDeleter(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info)
-{
-    {% if deleter.is_raises_exception %}
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::IndexedDeletionContext, "{{interface_name}}");
-    {% endif %}
+static void indexedPropertyDeleter(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info) {
+  {% if deleter.is_raises_exception %}
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::IndexedDeletionContext, "{{interface_name}}");
+  {% endif %}
 
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
 
-    {% set deleter_name = deleter.name or 'anonymousIndexedDeleter' %}
-    {% set deleter_arguments = ['index'] %}
-    {% if deleter.is_call_with_script_state %}
-    ScriptState* scriptState = ScriptState::forReceiverObject(info);
-    {% set deleter_arguments = ['scriptState'] + deleter_arguments %}
-    {% endif %}
-    {% if deleter.is_raises_exception %}
-    {% set deleter_arguments = deleter_arguments + ['exceptionState'] %}
-    {% endif %}
-    DeleteResult result = impl->{{deleter_name}}({{deleter_arguments | join(', ')}});
-    {% if deleter.is_raises_exception %}
-    if (exceptionState.hadException())
-        return;
-    {% endif %}
-    if (result == DeleteUnknownProperty)
-        return;
-    v8SetReturnValue(info, result == DeleteSuccess);
+  {% set deleter_name = deleter.name or 'anonymousIndexedDeleter' %}
+  {% set deleter_arguments = ['index'] %}
+  {% if deleter.is_call_with_script_state %}
+  ScriptState* scriptState = ScriptState::forReceiverObject(info);
+  {% set deleter_arguments = ['scriptState'] + deleter_arguments %}
+  {% endif %}
+  {% if deleter.is_raises_exception %}
+  {% set deleter_arguments = deleter_arguments + ['exceptionState'] %}
+  {% endif %}
+  DeleteResult result = impl->{{deleter_name}}({{deleter_arguments | join(', ')}});
+  {% if deleter.is_raises_exception %}
+  if (exceptionState.hadException())
+    return;
+  {% endif %}
+  if (result == DeleteUnknownProperty)
+    return;
+  v8SetReturnValue(info, result == DeleteSuccess);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block indexed_property_deleter_callback %}
 {% if indexed_property_deleter or named_property_deleter %}
 {% set deleter = indexed_property_deleter or named_property_deleter %}
-void indexedPropertyDeleterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info)
-{
-    {% if deleter.is_ce_reactions %}
-    CEReactionsScope ceReactionsScope;
-    {% endif %}
+void indexedPropertyDeleterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info) {
+  {% if deleter.is_ce_reactions %}
+  CEReactionsScope ceReactionsScope;
+  {% endif %}
 
-    {% if indexed_property_deleter %}
+  {% if indexed_property_deleter %}
 
-    {% if deleter.is_custom %}
-    {{v8_class}}::indexedPropertyDeleterCustom(index, info);
-    {% else %}
-    {{cpp_class}}V8Internal::indexedPropertyDeleter(index, info);
-    {% endif %}
+  {% if deleter.is_custom %}
+  {{v8_class}}::indexedPropertyDeleterCustom(index, info);
+  {% else %}
+  {{cpp_class}}V8Internal::indexedPropertyDeleter(index, info);
+  {% endif %}
 
-    {% else %}{# otherwise, named property #}
+  {% else %}{# otherwise, named property #}
 
-    const AtomicString& propertyName = AtomicString::number(index);
+  const AtomicString& propertyName = AtomicString::number(index);
 
-    {% if deleter.is_custom %}
-    {{v8_class}}::namedPropertyDeleterCustom(propertyName, info);
-    {% else %}
-    {{cpp_class}}V8Internal::namedPropertyDeleter(propertyName, info);
-    {% endif %}
+  {% if deleter.is_custom %}
+  {{v8_class}}::namedPropertyDeleterCustom(propertyName, info);
+  {% else %}
+  {{cpp_class}}V8Internal::namedPropertyDeleter(propertyName, info);
+  {% endif %}
 
-    {% endif %}{# indexed_property_deleter #}
+  {% endif %}{# indexed_property_deleter #}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_getter %}
 {% if named_property_getter and not named_property_getter.is_custom %}
 {% set getter = named_property_getter %}
-static void namedPropertyGetter(const AtomicString& name, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    {% if getter.is_raises_exception %}
-    const CString& nameInUtf8 = name.utf8();
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::GetterContext, "{{interface_name}}", nameInUtf8.data());
-    {% endif %}
-    {% if getter.is_call_with_script_state %}
-    ScriptState* scriptState = ScriptState::forReceiverObject(info);
-    {% endif %}
+static void namedPropertyGetter(const AtomicString& name, const v8::PropertyCallbackInfo<v8::Value>& info) {
+  {% if getter.is_raises_exception %}
+  const CString& nameInUtf8 = name.utf8();
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::GetterContext, "{{interface_name}}", nameInUtf8.data());
+  {% endif %}
+  {% if getter.is_call_with_script_state %}
+  ScriptState* scriptState = ScriptState::forReceiverObject(info);
+  {% endif %}
 
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
-    {% if getter.use_output_parameter_for_result %}
-    {{getter.cpp_type}} result;
-    {{getter.cpp_value}};
-    {% else %}
-    {{getter.cpp_type}} result = {{getter.cpp_value}};
-    {% endif %}
-    if ({{getter.is_null_expression}})
-        return;
-    {{getter.v8_set_return_value}};
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
+  {% if getter.use_output_parameter_for_result %}
+  {{getter.cpp_type}} result;
+  {{getter.cpp_value}};
+  {% else %}
+  {{getter.cpp_type}} result = {{getter.cpp_value}};
+  {% endif %}
+  if ({{getter.is_null_expression}})
+    return;
+  {{getter.v8_set_return_value}};
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_getter_callback %}
 {% if named_property_getter %}
 {% set getter = named_property_getter %}
-void namedPropertyGetterCallback(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    if (!name->IsString())
-        return;
-    const AtomicString& propertyName = toCoreAtomicString(name.As<v8::String>());
+void namedPropertyGetterCallback(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) {
+  if (!name->IsString())
+    return;
+  const AtomicString& propertyName = toCoreAtomicString(name.As<v8::String>());
 
-    {% if getter.is_custom %}
-    {{v8_class}}::namedPropertyGetterCustom(propertyName, info);
-    {% else %}
-    {{cpp_class}}V8Internal::namedPropertyGetter(propertyName, info);
-    {% endif %}
+  {% if getter.is_custom %}
+  {{v8_class}}::namedPropertyGetterCustom(propertyName, info);
+  {% else %}
+  {{cpp_class}}V8Internal::namedPropertyGetter(propertyName, info);
+  {% endif %}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_setter %}
 {% from 'utilities.cpp.tmpl' import v8_value_to_local_cpp_value %}
 {% if named_property_setter and not named_property_setter.is_custom %}
 {% set setter = named_property_setter %}
-static void namedPropertySetter(const AtomicString& name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    {% if setter.has_exception_state %}
-    const CString& nameInUtf8 = name.utf8();
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::SetterContext, "{{interface_name}}", nameInUtf8.data());
-    {% endif %}
-    {% if setter.is_call_with_script_state %}
-    ScriptState* scriptState = ScriptState::forReceiverObject(info);
-    {% endif %}
+static void namedPropertySetter(const AtomicString& name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info) {
+  {% if setter.has_exception_state %}
+  const CString& nameInUtf8 = name.utf8();
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::SetterContext, "{{interface_name}}", nameInUtf8.data());
+  {% endif %}
+  {% if setter.is_call_with_script_state %}
+  ScriptState* scriptState = ScriptState::forReceiverObject(info);
+  {% endif %}
 
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
-    {{v8_value_to_local_cpp_value(setter) | indent}}
-    {% if setter.has_type_checking_interface %}
-    {# Type checking for interface types (if interface not implemented, throw
-       TypeError), per http://www.w3.org/TR/WebIDL/#es-interface #}
-    if (!propertyValue{% if setter.is_nullable %} && !isUndefinedOrNull(v8Value){% endif %}) {
-        exceptionState.throwTypeError("The provided value is not of type '{{setter.idl_type}}'.");
-        return;
-    }
-    {% endif %}
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
+  {{v8_value_to_local_cpp_value(setter) | indent(2)}}
+  {% if setter.has_type_checking_interface %}
+  {# Type checking for interface types (if interface not implemented, throw
+     TypeError), per http://www.w3.org/TR/WebIDL/#es-interface #}
+  if (!propertyValue{% if setter.is_nullable %} && !isUndefinedOrNull(v8Value){% endif %}) {
+    exceptionState.throwTypeError("The provided value is not of type '{{setter.idl_type}}'.");
+    return;
+  }
+  {% endif %}
 
-    {% set setter_name = setter.name or 'anonymousNamedSetter' %}
-    {% set setter_arguments = ['name', 'propertyValue'] %}
-    {% if setter.is_call_with_script_state %}
-    {% set setter_arguments = ['scriptState'] + setter_arguments %}
-    {% endif %}
-    {% if setter.is_raises_exception %}
-    {% set setter_arguments =  setter_arguments + ['exceptionState'] %}
-    {% endif %}
-    bool result = impl->{{setter_name}}({{setter_arguments | join(', ')}});
-    {% if setter.is_raises_exception %}
-    if (exceptionState.hadException())
-        return;
-    {% endif %}
-    if (!result)
-        return;
-    v8SetReturnValue(info, v8Value);
+  {% set setter_name = setter.name or 'anonymousNamedSetter' %}
+  {% set setter_arguments = ['name', 'propertyValue'] %}
+  {% if setter.is_call_with_script_state %}
+  {% set setter_arguments = ['scriptState'] + setter_arguments %}
+  {% endif %}
+  {% if setter.is_raises_exception %}
+  {% set setter_arguments =  setter_arguments + ['exceptionState'] %}
+  {% endif %}
+  bool result = impl->{{setter_name}}({{setter_arguments | join(', ')}});
+  {% if setter.is_raises_exception %}
+  if (exceptionState.hadException())
+    return;
+  {% endif %}
+  if (!result)
+    return;
+  v8SetReturnValue(info, v8Value);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_setter_callback %}
 {% if named_property_setter %}
 {% set setter = named_property_setter %}
-void namedPropertySetterCallback(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    if (!name->IsString())
-        return;
-    const AtomicString& propertyName = toCoreAtomicString(name.As<v8::String>());
+void namedPropertySetterCallback(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info) {
+  if (!name->IsString())
+    return;
+  const AtomicString& propertyName = toCoreAtomicString(name.As<v8::String>());
 
-    {% if setter.is_ce_reactions %}
-    CEReactionsScope ceReactionsScope;
-    {% endif %}
+  {% if setter.is_ce_reactions %}
+  CEReactionsScope ceReactionsScope;
+  {% endif %}
 
-    {% if setter.is_custom %}
-    {{v8_class}}::namedPropertySetterCustom(propertyName, v8Value, info);
-    {% else %}
-    {{cpp_class}}V8Internal::namedPropertySetter(propertyName, v8Value, info);
-    {% endif %}
+  {% if setter.is_custom %}
+  {{v8_class}}::namedPropertySetterCustom(propertyName, v8Value, info);
+  {% else %}
+  {{cpp_class}}V8Internal::namedPropertySetter(propertyName, v8Value, info);
+  {% endif %}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_deleter %}
 {% if named_property_deleter and not named_property_deleter.is_custom %}
 {% set deleter = named_property_deleter %}
-static void namedPropertyDeleter(const AtomicString& name, const v8::PropertyCallbackInfo<v8::Boolean>& info)
-{
-    {% if deleter.is_raises_exception %}
-    const CString& nameInUtf8 = name.utf8();
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::DeletionContext, "{{interface_name}}", nameInUtf8.data());
-    {% endif %}
-    {% if deleter.is_call_with_script_state %}
-    ScriptState* scriptState = ScriptState::forReceiverObject(info);
-    {% endif %}
+static void namedPropertyDeleter(const AtomicString& name, const v8::PropertyCallbackInfo<v8::Boolean>& info) {
+  {% if deleter.is_raises_exception %}
+  const CString& nameInUtf8 = name.utf8();
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::DeletionContext, "{{interface_name}}", nameInUtf8.data());
+  {% endif %}
+  {% if deleter.is_call_with_script_state %}
+  ScriptState* scriptState = ScriptState::forReceiverObject(info);
+  {% endif %}
 
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
 
-    {% set deleter_name = deleter.name or 'anonymousNamedDeleter' %}
-    {% set deleter_arguments = ['name'] %}
-    {% if deleter.is_call_with_script_state %}
-    {% set deleter_arguments = ['scriptState'] + deleter_arguments %}
-    {% endif %}
-    {% if deleter.is_raises_exception %}
-    {% set deleter_arguments = deleter_arguments + ['exceptionState'] %}
-    {% endif %}
-    DeleteResult result = impl->{{deleter_name}}({{deleter_arguments | join(', ')}});
-    {% if deleter.is_raises_exception %}
-    if (exceptionState.hadException())
-        return;
-    {% endif %}
-    if (result == DeleteUnknownProperty)
-        return;
-    v8SetReturnValue(info, result == DeleteSuccess);
+  {% set deleter_name = deleter.name or 'anonymousNamedDeleter' %}
+  {% set deleter_arguments = ['name'] %}
+  {% if deleter.is_call_with_script_state %}
+  {% set deleter_arguments = ['scriptState'] + deleter_arguments %}
+  {% endif %}
+  {% if deleter.is_raises_exception %}
+  {% set deleter_arguments = deleter_arguments + ['exceptionState'] %}
+  {% endif %}
+  DeleteResult result = impl->{{deleter_name}}({{deleter_arguments | join(', ')}});
+  {% if deleter.is_raises_exception %}
+  if (exceptionState.hadException())
+    return;
+  {% endif %}
+  if (result == DeleteUnknownProperty)
+    return;
+  v8SetReturnValue(info, result == DeleteSuccess);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_deleter_callback %}
 {% if named_property_deleter %}
 {% set deleter = named_property_deleter %}
-void namedPropertyDeleterCallback(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Boolean>& info)
-{
-    if (!name->IsString())
-        return;
-    const AtomicString& propertyName = toCoreAtomicString(name.As<v8::String>());
+void namedPropertyDeleterCallback(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Boolean>& info) {
+  if (!name->IsString())
+    return;
+  const AtomicString& propertyName = toCoreAtomicString(name.As<v8::String>());
 
-    {% if deleter.is_ce_reactions %}
-    CEReactionsScope ceReactionsScope;
-    {% endif %}
+  {% if deleter.is_ce_reactions %}
+  CEReactionsScope ceReactionsScope;
+  {% endif %}
 
-    {% if deleter.is_custom %}
-    {{v8_class}}::namedPropertyDeleterCustom(propertyName, info);
-    {% else %}
-    {{cpp_class}}V8Internal::namedPropertyDeleter(propertyName, info);
-    {% endif %}
+  {% if deleter.is_custom %}
+  {{v8_class}}::namedPropertyDeleterCustom(propertyName, info);
+  {% else %}
+  {{cpp_class}}V8Internal::namedPropertyDeleter(propertyName, info);
+  {% endif %}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_query %}
 {% if named_property_getter and named_property_getter.is_enumerable and
       not named_property_getter.is_custom_property_query %}
 {% set getter = named_property_getter %}
 {# If there is an enumerator, there MUST be a query method to properly
    communicate property attributes. #}
-static void namedPropertyQuery(const AtomicString& name, const v8::PropertyCallbackInfo<v8::Integer>& info)
-{
-    const CString& nameInUtf8 = name.utf8();
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::GetterContext, "{{interface_name}}", nameInUtf8.data());
-    {% if getter.is_call_with_script_state %}
-    ScriptState* scriptState = ScriptState::forReceiverObject(info);
-    {% endif %}
+static void namedPropertyQuery(const AtomicString& name, const v8::PropertyCallbackInfo<v8::Integer>& info) {
+  const CString& nameInUtf8 = name.utf8();
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::GetterContext, "{{interface_name}}", nameInUtf8.data());
+  {% if getter.is_call_with_script_state %}
+  ScriptState* scriptState = ScriptState::forReceiverObject(info);
+  {% endif %}
 
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
 
-    {% set getter_arguments = ['name', 'exceptionState'] %}
-    {% if getter.is_call_with_script_state %}
-    {% set getter_arguments = ['scriptState'] + getter_arguments %}
-    {% endif %}
-    bool result = impl->namedPropertyQuery({{getter_arguments | join(', ')}});
-    if (!result)
-        return;
-    v8SetReturnValueInt(info, v8::None);
+  {% set getter_arguments = ['name', 'exceptionState'] %}
+  {% if getter.is_call_with_script_state %}
+  {% set getter_arguments = ['scriptState'] + getter_arguments %}
+  {% endif %}
+  bool result = impl->namedPropertyQuery({{getter_arguments | join(', ')}});
+  if (!result)
+    return;
+  v8SetReturnValueInt(info, v8::None);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_query_callback %}
 {% if named_property_getter and named_property_getter.is_enumerable %}
 {% set getter = named_property_getter %}
-void namedPropertyQueryCallback(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Integer>& info)
-{
-    if (!name->IsString())
-        return;
-    const AtomicString& propertyName = toCoreAtomicString(name.As<v8::String>());
+void namedPropertyQueryCallback(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Integer>& info) {
+  if (!name->IsString())
+    return;
+  const AtomicString& propertyName = toCoreAtomicString(name.As<v8::String>());
 
-    {% if getter.is_custom_property_query %}
-    {{v8_class}}::namedPropertyQueryCustom(propertyName, info);
-    {% else %}
-    {{cpp_class}}V8Internal::namedPropertyQuery(propertyName, info);
-    {% endif %}
+  {% if getter.is_custom_property_query %}
+  {{v8_class}}::namedPropertyQueryCustom(propertyName, info);
+  {% else %}
+  {{cpp_class}}V8Internal::namedPropertyQuery(propertyName, info);
+  {% endif %}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_enumerator %}
 {% if named_property_getter and named_property_getter.is_enumerable and
       not named_property_getter.is_custom_property_enumerator %}
-static void namedPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info)
-{
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::EnumerationContext, "{{interface_name}}");
+static void namedPropertyEnumerator(const v8::PropertyCallbackInfo<v8::Array>& info) {
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::EnumerationContext, "{{interface_name}}");
 
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
 
-    Vector<String> names;
-    impl->namedPropertyEnumerator(names, exceptionState);
-    if (exceptionState.hadException())
-        return;
-    v8SetReturnValue(info, toV8(names, info.Holder(), info.GetIsolate()).As<v8::Array>());
+  Vector<String> names;
+  impl->namedPropertyEnumerator(names, exceptionState);
+  if (exceptionState.hadException())
+    return;
+  v8SetReturnValue(info, toV8(names, info.Holder(), info.GetIsolate()).As<v8::Array>());
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_property_enumerator_callback %}
 {% if named_property_getter and named_property_getter.is_enumerable %}
 {% set getter = named_property_getter %}
-void namedPropertyEnumeratorCallback(const v8::PropertyCallbackInfo<v8::Array>& info)
-{
-    {% if getter.is_custom_property_enumerator %}
-    {{v8_class}}::namedPropertyEnumeratorCustom(info);
-    {% else %}
-    {{cpp_class}}V8Internal::namedPropertyEnumerator(info);
-    {% endif %}
+void namedPropertyEnumeratorCallback(const v8::PropertyCallbackInfo<v8::Array>& info) {
+  {% if getter.is_custom_property_enumerator %}
+  {{v8_class}}::namedPropertyEnumeratorCustom(info);
+  {% else %}
+  {{cpp_class}}V8Internal::namedPropertyEnumerator(info);
+  {% endif %}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block origin_safe_method_setter %}
 {% if has_origin_safe_method_setter %}
-static void {{cpp_class}}OriginSafeMethodSetter(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
-{
-    if (!name->IsString())
-        return;
-    v8::Local<v8::Object> holder = {{v8_class}}::findInstanceInPrototypeChain(info.Holder(), info.GetIsolate());
-    if (holder.IsEmpty())
-        return;
-    {{cpp_class}}* impl = {{v8_class}}::toImpl(holder);
-    v8::String::Utf8Value attributeName(name);
-    ExceptionState exceptionState(ExceptionState::SetterContext, *attributeName, "{{interface_name}}", info.Holder(), info.GetIsolate());
-    if (!BindingSecurity::shouldAllowAccessTo(currentDOMWindow(info.GetIsolate()), impl, exceptionState)) {
-        return;
-    }
+static void {{cpp_class}}OriginSafeMethodSetter(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info) {
+  if (!name->IsString())
+    return;
+  v8::Local<v8::Object> holder = {{v8_class}}::findInstanceInPrototypeChain(info.Holder(), info.GetIsolate());
+  if (holder.IsEmpty())
+    return;
+  {{cpp_class}}* impl = {{v8_class}}::toImpl(holder);
+  v8::String::Utf8Value attributeName(name);
+  ExceptionState exceptionState(ExceptionState::SetterContext, *attributeName, "{{interface_name}}", info.Holder(), info.GetIsolate());
+  if (!BindingSecurity::shouldAllowAccessTo(currentDOMWindow(info.GetIsolate()), impl, exceptionState)) {
+    return;
+  }
 
-    {# The findInstanceInPrototypeChain() call above only returns a non-empty handle if info.Holder() is an Object. #}
-    V8HiddenValue::setHiddenValue(ScriptState::current(info.GetIsolate()), v8::Local<v8::Object>::Cast(info.Holder()), name.As<v8::String>(), v8Value);
+  {# The findInstanceInPrototypeChain() call above only returns a non-empty handle if info.Holder() is an Object. #}
+  V8HiddenValue::setHiddenValue(ScriptState::current(info.GetIsolate()), v8::Local<v8::Object>::Cast(info.Holder()), name.As<v8::String>(), v8Value);
 }
 
-void {{cpp_class}}OriginSafeMethodSetterCallback(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
-{
-    {{cpp_class}}V8Internal::{{cpp_class}}OriginSafeMethodSetter(name, v8Value, info);
+void {{cpp_class}}OriginSafeMethodSetterCallback(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info) {
+  {{cpp_class}}V8Internal::{{cpp_class}}OriginSafeMethodSetter(name, v8Value, info);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block named_constructor %}
 {% from 'methods.cpp.tmpl' import generate_constructor with context %}
 {% if named_constructor %}
 {% set active_scriptwrappable_inheritance =
     'InheritFromActiveScriptWrappable'
     if active_scriptwrappable else
     'NotInheritFromActiveScriptWrappable' %}
 // Suppress warning: global constructors, because struct WrapperTypeInfo is trivial
 // and does not depend on another global objects.
 #if defined(COMPONENT_BUILD) && defined(WIN32) && COMPILER(CLANG)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wglobal-constructors"
 #endif
 const WrapperTypeInfo {{v8_class}}Constructor::wrapperTypeInfo = { gin::kEmbedderBlink, {{v8_class}}Constructor::domTemplate, {{v8_class}}::trace, {{v8_class}}::traceWrappers, 0, {{prepare_prototype_and_interface_object_func}}, "{{interface_name}}", 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{active_scriptwrappable_inheritance}}, WrapperTypeInfo::{{event_target_inheritance}}, WrapperTypeInfo::{{lifetime}} };
 #if defined(COMPONENT_BUILD) && defined(WIN32) && COMPILER(CLANG)
 #pragma clang diagnostic pop
 #endif
 
 {{generate_constructor(named_constructor)}}
-v8::Local<v8::FunctionTemplate> {{v8_class}}Constructor::domTemplate(v8::Isolate* isolate, const DOMWrapperWorld& world)
-{
-    static int domTemplateKey; // This address is used for a key to look up the dom template.
-    V8PerIsolateData* data = V8PerIsolateData::from(isolate);
-    v8::Local<v8::FunctionTemplate> result = data->findInterfaceTemplate(world, &domTemplateKey);
-    if (!result.IsEmpty())
-        return result;
+v8::Local<v8::FunctionTemplate> {{v8_class}}Constructor::domTemplate(v8::Isolate* isolate, const DOMWrapperWorld& world) {
+  static int domTemplateKey; // This address is used for a key to look up the dom template.
+  V8PerIsolateData* data = V8PerIsolateData::from(isolate);
+  v8::Local<v8::FunctionTemplate> result = data->findInterfaceTemplate(world, &domTemplateKey);
+  if (!result.IsEmpty())
+    return result;
 
-    result = v8::FunctionTemplate::New(isolate, {{v8_class}}ConstructorCallback);
-    v8::Local<v8::ObjectTemplate> instanceTemplate = result->InstanceTemplate();
-    instanceTemplate->SetInternalFieldCount({{v8_class}}::internalFieldCount);
-    result->SetClassName(v8AtomicString(isolate, "{{cpp_class}}"));
-    result->Inherit({{v8_class}}::domTemplate(isolate, world));
-    data->setInterfaceTemplate(world, &domTemplateKey, result);
-    return result;
+  result = v8::FunctionTemplate::New(isolate, {{v8_class}}ConstructorCallback);
+  v8::Local<v8::ObjectTemplate> instanceTemplate = result->InstanceTemplate();
+  instanceTemplate->SetInternalFieldCount({{v8_class}}::internalFieldCount);
+  result->SetClassName(v8AtomicString(isolate, "{{cpp_class}}"));
+  result->Inherit({{v8_class}}::domTemplate(isolate, world));
+  data->setInterfaceTemplate(world, &domTemplateKey, result);
+  return result;
 }
 
 {% endif %}
 {% endblock %}
 
 {##############################################################################}
 {% block overloaded_constructor %}
 {% if constructor_overloads %}
-static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    ExceptionState exceptionState(info.GetIsolate(), ExceptionState::ConstructionContext, "{{interface_name}}");
-    {# 2. Initialize argcount to be min(maxarg, n). #}
-    switch (std::min({{constructor_overloads.maxarg}}, info.Length())) {
+static void constructor(const v8::FunctionCallbackInfo<v8::Value>& info) {
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::ConstructionContext, "{{interface_name}}");
+  {# 2. Initialize argcount to be min(maxarg, n). #}
+  switch (std::min({{constructor_overloads.maxarg}}, info.Length())) {
     {# 3. Remove from S all entries whose type list is not of length argcount. #}
     {% for length, tests_constructors in constructor_overloads.length_tests_methods %}
     case {{length}}:
-        {# Then resolve by testing argument #}
-        {% for test, constructor in tests_constructors %}
-        {# 10. If i = d, then: #}
-        if ({{test}}) {
-            {{cpp_class}}V8Internal::constructor{{constructor.overload_index}}(info);
-            return;
-        }
-        {% endfor %}
-        break;
+      {# Then resolve by testing argument #}
+      {% for test, constructor in tests_constructors %}
+      {# 10. If i = d, then: #}
+      if ({{test}}) {
+        {{cpp_class}}V8Internal::constructor{{constructor.overload_index}}(info);
+        return;
+      }
+      {% endfor %}
+      break;
     {% endfor %}
     default:
-        {# Invalid arity, throw error #}
-        {# Report full list of valid arities if gaps and above minimum #}
-        {% if constructor_overloads.valid_arities %}
-        if (info.Length() >= {{constructor_overloads.length}}) {
-            exceptionState.throwTypeError(ExceptionMessages::invalidArity("{{constructor_overloads.valid_arities}}", info.Length()));
-            return;
-        }
-        {% endif %}
-        {# Otherwise just report "not enough arguments" #}
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments({{constructor_overloads.length}}, info.Length()));
+      {# Invalid arity, throw error #}
+      {# Report full list of valid arities if gaps and above minimum #}
+      {% if constructor_overloads.valid_arities %}
+      if (info.Length() >= {{constructor_overloads.length}}) {
+        exceptionState.throwTypeError(ExceptionMessages::invalidArity("{{constructor_overloads.valid_arities}}", info.Length()));
         return;
-    }
-    {# No match, throw error #}
-    exceptionState.throwTypeError("No matching constructor signature.");
+      }
+      {% endif %}
+      {# Otherwise just report "not enough arguments" #}
+      exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments({{constructor_overloads.length}}, info.Length()));
+      return;
+  }
+  {# No match, throw error #}
+  exceptionState.throwTypeError("No matching constructor signature.");
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block visit_dom_wrapper %}
 {% if has_visit_dom_wrapper %}
-void {{v8_class}}::visitDOMWrapper(v8::Isolate* isolate, ScriptWrappable* scriptWrappable, const v8::Persistent<v8::Object>& wrapper)
-{
-    {% if has_visit_dom_wrapper_custom %}
-    {{v8_class}}::visitDOMWrapperCustom(isolate, scriptWrappable, wrapper);
-    {% endif %}
-    {% if set_wrapper_reference_to or set_wrapper_reference_from %}
-    {{cpp_class}}* impl = scriptWrappable->toImpl<{{cpp_class}}>();
-    {% endif %}
-    {% if set_wrapper_reference_to %}
-    {{set_wrapper_reference_to.cpp_type}} {{set_wrapper_reference_to.name}} = impl->{{set_wrapper_reference_to.name}}();
-    if ({{set_wrapper_reference_to.name}}) {
-        DOMWrapperWorld::setWrapperReferencesInAllWorlds(wrapper, {{set_wrapper_reference_to.name}}, isolate);
-    }
-    {% endif %}
-    {% if set_wrapper_reference_from %}
-    // The {{set_wrapper_reference_from}}() method may return a reference or a pointer.
-    if (Node* owner = WTF::getPtr(impl->{{set_wrapper_reference_from}}())) {
-        Node* root = V8GCController::opaqueRootForGC(isolate, owner);
-        isolate->SetReferenceFromGroup(v8::UniqueId(reinterpret_cast<intptr_t>(root)), wrapper);
-        return;
-    }
-    {% endif %}
+void {{v8_class}}::visitDOMWrapper(v8::Isolate* isolate, ScriptWrappable* scriptWrappable, const v8::Persistent<v8::Object>& wrapper) {
+  {% if has_visit_dom_wrapper_custom %}
+  {{v8_class}}::visitDOMWrapperCustom(isolate, scriptWrappable, wrapper);
+  {% endif %}
+  {% if set_wrapper_reference_to or set_wrapper_reference_from %}
+  {{cpp_class}}* impl = scriptWrappable->toImpl<{{cpp_class}}>();
+  {% endif %}
+  {% if set_wrapper_reference_to %}
+  {{set_wrapper_reference_to.cpp_type}} {{set_wrapper_reference_to.name}} = impl->{{set_wrapper_reference_to.name}}();
+  if ({{set_wrapper_reference_to.name}}) {
+    DOMWrapperWorld::setWrapperReferencesInAllWorlds(wrapper, {{set_wrapper_reference_to.name}}, isolate);
+  }
+  {% endif %}
+  {% if set_wrapper_reference_from %}
+  // The {{set_wrapper_reference_from}}() method may return a reference or a pointer.
+  if (Node* owner = WTF::getPtr(impl->{{set_wrapper_reference_from}}())) {
+    Node* root = V8GCController::opaqueRootForGC(isolate, owner);
+    isolate->SetReferenceFromGroup(v8::UniqueId(reinterpret_cast<intptr_t>(root)), wrapper);
+    return;
+  }
+  {% endif %}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block constructor_callback %}
 {% if constructors or has_custom_constructor or has_event_constructor or has_html_constructor %}
-void {{v8_class}}::constructorCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    {% if measure_as %}
-    UseCounter::countIfNotPrivateScript(info.GetIsolate(), currentExecutionContext(info.GetIsolate()), UseCounter::{{measure_as('Constructor')}});
-    {% endif %}
-    if (!info.IsConstructCall()) {
-        V8ThrowException::throwTypeError(info.GetIsolate(), ExceptionMessages::constructorNotCallableAsFunction("{{interface_name}}"));
-        return;
-    }
+void {{v8_class}}::constructorCallback(const v8::FunctionCallbackInfo<v8::Value>& info) {
+  {% if measure_as %}
+  UseCounter::countIfNotPrivateScript(info.GetIsolate(), currentExecutionContext(info.GetIsolate()), UseCounter::{{measure_as('Constructor')}});
+  {% endif %}
+  if (!info.IsConstructCall()) {
+    V8ThrowException::throwTypeError(info.GetIsolate(), ExceptionMessages::constructorNotCallableAsFunction("{{interface_name}}"));
+    return;
+  }
 
-    if (ConstructorMode::current(info.GetIsolate()) == ConstructorMode::WrapExistingObject) {
-        v8SetReturnValue(info, info.Holder());
-        return;
-    }
+  if (ConstructorMode::current(info.GetIsolate()) == ConstructorMode::WrapExistingObject) {
+    v8SetReturnValue(info, info.Holder());
+    return;
+  }
 
-    {% if has_custom_constructor %}
-    {{v8_class}}::constructorCustom(info);
-    {% elif has_html_constructor %}
-    V8HTMLConstructor::htmlConstructor(info, {{v8_class}}::wrapperTypeInfo, HTMLElementType::k{{interface_name}});
-    {% else %}
-    {{cpp_class}}V8Internal::constructor(info);
-    {% endif %}
+  {% if has_custom_constructor %}
+  {{v8_class}}::constructorCustom(info);
+  {% elif has_html_constructor %}
+  V8HTMLConstructor::htmlConstructor(info, {{v8_class}}::wrapperTypeInfo, HTMLElementType::k{{interface_name}});
+  {% else %}
+  {{cpp_class}}V8Internal::constructor(info);
+  {% endif %}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% macro install_do_not_check_security_method(method, world_suffix, instance_template, prototype_template) %}
 {% from 'utilities.cpp.tmpl' import property_location %}
 {# Methods that are [DoNotCheckSecurity] are always readable, but if they are
@@ skipping 79 matching lines @@
        'static_cast<v8::PropertyHandlerFlags>(%s)' %
            ' | '.join(property_handler_flags_list) %}
 v8::NamedPropertyHandlerConfiguration namedPropertyHandlerConfig({{named_property_getter_callback}}, {{named_property_setter_callback}}, {{named_property_query_callback}}, {{named_property_deleter_callback}}, {{named_property_enumerator_callback}}, v8::Local<v8::Value>(), {{property_handler_flags}});
 {{target}}->SetHandler(namedPropertyHandlerConfig);
 {%- endmacro %}
 
 
 {##############################################################################}
 {% block get_dom_template %}
 {% if not is_array_buffer_or_view %}
-v8::Local<v8::FunctionTemplate> {{v8_class}}::domTemplate(v8::Isolate* isolate, const DOMWrapperWorld& world)
-{
-    {% set installTemplateFunction = '%s::install%sTemplateFunction' % (v8_class, v8_class) if has_partial_interface else 'install%sTemplate' % v8_class %}
-    return V8DOMConfiguration::domClassTemplate(isolate, world, const_cast<WrapperTypeInfo*>(&wrapperTypeInfo), {{installTemplateFunction}});
+v8::Local<v8::FunctionTemplate> {{v8_class}}::domTemplate(v8::Isolate* isolate, const DOMWrapperWorld& world) {
+  {% set installTemplateFunction = '%s::install%sTemplateFunction' % (v8_class, v8_class) if has_partial_interface else 'install%sTemplate' % v8_class %}
+  return V8DOMConfiguration::domClassTemplate(isolate, world, const_cast<WrapperTypeInfo*>(&wrapperTypeInfo), {{installTemplateFunction}});
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block get_dom_template_for_named_properties_object %}
 {% if has_named_properties_object %}
-v8::Local<v8::FunctionTemplate> {{v8_class}}::domTemplateForNamedPropertiesObject(v8::Isolate* isolate, const DOMWrapperWorld& world)
-{
-    v8::Local<v8::FunctionTemplate> parentTemplate = V8{{parent_interface}}::domTemplate(isolate, world);
+v8::Local<v8::FunctionTemplate> {{v8_class}}::domTemplateForNamedPropertiesObject(v8::Isolate* isolate, const DOMWrapperWorld& world) {
+  v8::Local<v8::FunctionTemplate> parentTemplate = V8{{parent_interface}}::domTemplate(isolate, world);
 
-    v8::Local<v8::FunctionTemplate> namedPropertiesObjectFunctionTemplate = v8::FunctionTemplate::New(isolate, V8ObjectConstructor::isValidConstructorMode);
-    namedPropertiesObjectFunctionTemplate->SetClassName(v8AtomicString(isolate, "{{interface_name}}Properties"));
-    namedPropertiesObjectFunctionTemplate->Inherit(parentTemplate);
+  v8::Local<v8::FunctionTemplate> namedPropertiesObjectFunctionTemplate = v8::FunctionTemplate::New(isolate, V8ObjectConstructor::isValidConstructorMode);
+  namedPropertiesObjectFunctionTemplate->SetClassName(v8AtomicString(isolate, "{{interface_name}}Properties"));
+  namedPropertiesObjectFunctionTemplate->Inherit(parentTemplate);
 
-    v8::Local<v8::ObjectTemplate> namedPropertiesObjectTemplate = namedPropertiesObjectFunctionTemplate->PrototypeTemplate();
-    namedPropertiesObjectTemplate->SetInternalFieldCount({{v8_class}}::internalFieldCount);
-    V8DOMConfiguration::setClassString(isolate, namedPropertiesObjectTemplate, "{{interface_name}}Properties");
-    {{install_named_property_handler('namedPropertiesObjectTemplate') | indent}}
+  v8::Local<v8::ObjectTemplate> namedPropertiesObjectTemplate = namedPropertiesObjectFunctionTemplate->PrototypeTemplate();
+  namedPropertiesObjectTemplate->SetInternalFieldCount({{v8_class}}::internalFieldCount);
+  V8DOMConfiguration::setClassString(isolate, namedPropertiesObjectTemplate, "{{interface_name}}Properties");
+  {{install_named_property_handler('namedPropertiesObjectTemplate') | indent(2)}}
 
-    return namedPropertiesObjectFunctionTemplate;
+  return namedPropertiesObjectFunctionTemplate;
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block has_instance %}
 {% if not is_array_buffer_or_view %}
 
-bool {{v8_class}}::hasInstance(v8::Local<v8::Value> v8Value, v8::Isolate* isolate)
-{
-    return V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, v8Value);
+bool {{v8_class}}::hasInstance(v8::Local<v8::Value> v8Value, v8::Isolate* isolate) {
+  return V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, v8Value);
 }
 
-v8::Local<v8::Object> {{v8_class}}::findInstanceInPrototypeChain(v8::Local<v8::Value> v8Value, v8::Isolate* isolate)
-{
-    return V8PerIsolateData::from(isolate)->findInstanceInPrototypeChain(&wrapperTypeInfo, v8Value);
+v8::Local<v8::Object> {{v8_class}}::findInstanceInPrototypeChain(v8::Local<v8::Value> v8Value, v8::Isolate* isolate) {
+  return V8PerIsolateData::from(isolate)->findInstanceInPrototypeChain(&wrapperTypeInfo, v8Value);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block to_impl %}
 {% if interface_name == 'ArrayBuffer' or interface_name == 'SharedArrayBuffer' %}
-{{cpp_class}}* V8{{interface_name}}::toImpl(v8::Local<v8::Object> object)
-{
-    ASSERT(object->Is{{interface_name}}());
-    v8::Local<v8::{{interface_name}}> v8buffer = object.As<v8::{{interface_name}}>();
-    if (v8buffer->IsExternal()) {
-        const WrapperTypeInfo* wrapperTypeInfo = toWrapperTypeInfo(object);
-        RELEASE_ASSERT(wrapperTypeInfo);
-        RELEASE_ASSERT(wrapperTypeInfo->ginEmbedder == gin::kEmbedderBlink);
-        return toScriptWrappable(object)->toImpl<{{cpp_class}}>();
-    }
+{{cpp_class}}* V8{{interface_name}}::toImpl(v8::Local<v8::Object> object) {
+  DCHECK(object->Is{{interface_name}}());
+  v8::Local<v8::{{interface_name}}> v8buffer = object.As<v8::{{interface_name}}>();
+  if (v8buffer->IsExternal()) {
+    const WrapperTypeInfo* wrapperTypeInfo = toWrapperTypeInfo(object);
+    CHECK(wrapperTypeInfo);
+    CHECK_EQ(wrapperTypeInfo->ginEmbedder, gin::kEmbedderBlink);
+    return toScriptWrappable(object)->toImpl<{{cpp_class}}>();
+  }
 
-    // Transfer the ownership of the allocated memory to an {{interface_name}} without
-    // copying.
-    v8::{{interface_name}}::Contents v8Contents = v8buffer->Externalize();
-    WTF::ArrayBufferContents contents(v8Contents.Data(), v8Contents.ByteLength(), WTF::ArrayBufferContents::{% if interface_name == 'ArrayBuffer' %}Not{% endif %}Shared);
-    {{cpp_class}}* buffer = {{cpp_class}}::create(contents);
-    v8::Local<v8::Object> associatedWrapper = buffer->associateWithWrapper(v8::Isolate::GetCurrent(), buffer->wrapperTypeInfo(), object);
-    DCHECK(associatedWrapper == object);
+  // Transfer the ownership of the allocated memory to an {{interface_name}} without
+  // copying.
+  v8::{{interface_name}}::Contents v8Contents = v8buffer->Externalize();
+  WTF::ArrayBufferContents contents(v8Contents.Data(), v8Contents.ByteLength(), WTF::ArrayBufferContents::{% if interface_name == 'ArrayBuffer' %}Not{% endif %}Shared);
+  {{cpp_class}}* buffer = {{cpp_class}}::create(contents);
+  v8::Local<v8::Object> associatedWrapper = buffer->associateWithWrapper(v8::Isolate::GetCurrent(), buffer->wrapperTypeInfo(), object);
+  DCHECK(associatedWrapper == object);
 
-    return buffer;
+  return buffer;
 }
 
 {% elif interface_name == 'ArrayBufferView' %}
-{{cpp_class}}* V8ArrayBufferView::toImpl(v8::Local<v8::Object> object)
-{
-    ASSERT(object->IsArrayBufferView());
-    ScriptWrappable* scriptWrappable = toScriptWrappable(object);
-    if (scriptWrappable)
-        return scriptWrappable->toImpl<{{cpp_class}}>();
+{{cpp_class}}* V8ArrayBufferView::toImpl(v8::Local<v8::Object> object) {
+  DCHECK(object->IsArrayBufferView());
+  ScriptWrappable* scriptWrappable = toScriptWrappable(object);
+  if (scriptWrappable)
+    return scriptWrappable->toImpl<{{cpp_class}}>();
 
-    if (object->IsInt8Array())
-        return V8Int8Array::toImpl(object);
-    if (object->IsInt16Array())
-        return V8Int16Array::toImpl(object);
-    if (object->IsInt32Array())
-        return V8Int32Array::toImpl(object);
-    if (object->IsUint8Array())
-        return V8Uint8Array::toImpl(object);
-    if (object->IsUint8ClampedArray())
-        return V8Uint8ClampedArray::toImpl(object);
-    if (object->IsUint16Array())
-        return V8Uint16Array::toImpl(object);
-    if (object->IsUint32Array())
-        return V8Uint32Array::toImpl(object);
-    if (object->IsFloat32Array())
-        return V8Float32Array::toImpl(object);
-    if (object->IsFloat64Array())
-        return V8Float64Array::toImpl(object);
-    if (object->IsDataView())
-        return V8DataView::toImpl(object);
+  if (object->IsInt8Array())
+    return V8Int8Array::toImpl(object);
+  if (object->IsInt16Array())
+    return V8Int16Array::toImpl(object);
+  if (object->IsInt32Array())
+    return V8Int32Array::toImpl(object);
+  if (object->IsUint8Array())
+    return V8Uint8Array::toImpl(object);
+  if (object->IsUint8ClampedArray())
+    return V8Uint8ClampedArray::toImpl(object);
+  if (object->IsUint16Array())
+    return V8Uint16Array::toImpl(object);
+  if (object->IsUint32Array())
+    return V8Uint32Array::toImpl(object);
+  if (object->IsFloat32Array())
+    return V8Float32Array::toImpl(object);
+  if (object->IsFloat64Array())
+    return V8Float64Array::toImpl(object);
+  if (object->IsDataView())
+    return V8DataView::toImpl(object);
 
-    ASSERT_NOT_REACHED();
-    return 0;
+  NOTREACHED();
+  return 0;
 }
 
 {% elif is_array_buffer_or_view %}
-{{cpp_class}}* {{v8_class}}::toImpl(v8::Local<v8::Object> object)
-{
-    ASSERT(object->Is{{interface_name}}());
-    ScriptWrappable* scriptWrappable = toScriptWrappable(object);
-    if (scriptWrappable)
-        return scriptWrappable->toImpl<{{cpp_class}}>();
+{{cpp_class}}* {{v8_class}}::toImpl(v8::Local<v8::Object> object) {
+  DCHECK(object->Is{{interface_name}}());
+  ScriptWrappable* scriptWrappable = toScriptWrappable(object);
+  if (scriptWrappable)
+    return scriptWrappable->toImpl<{{cpp_class}}>();
 
-    v8::Local<v8::{{interface_name}}> v8View = object.As<v8::{{interface_name}}>();
-    v8::Local<v8::Object> arrayBuffer = v8View->Buffer();
-    {{cpp_class}}* typedArray = nullptr;
-    if (arrayBuffer->IsArrayBuffer()) {
-        typedArray = {{cpp_class}}::create(V8ArrayBuffer::toImpl(arrayBuffer), v8View->ByteOffset(), v8View->{% if interface_name == 'DataView' %}Byte{% endif %}Length());
-    } else if (arrayBuffer->IsSharedArrayBuffer()) {
-        typedArray = {{cpp_class}}::create(V8SharedArrayBuffer::toImpl(arrayBuffer), v8View->ByteOffset(), v8View->{% if interface_name == 'DataView' %}Byte{% endif %}Length());
-    } else {
-        ASSERT_NOT_REACHED();
-    }
-    v8::Local<v8::Object> associatedWrapper = typedArray->associateWithWrapper(v8::Isolate::GetCurrent(), typedArray->wrapperTypeInfo(), object);
-    DCHECK(associatedWrapper == object);
+  v8::Local<v8::{{interface_name}}> v8View = object.As<v8::{{interface_name}}>();
+  v8::Local<v8::Object> arrayBuffer = v8View->Buffer();
+  {{cpp_class}}* typedArray = nullptr;
+  if (arrayBuffer->IsArrayBuffer()) {
+    typedArray = {{cpp_class}}::create(V8ArrayBuffer::toImpl(arrayBuffer), v8View->ByteOffset(), v8View->{% if interface_name == 'DataView' %}Byte{% endif %}Length());
+  } else if (arrayBuffer->IsSharedArrayBuffer()) {
+    typedArray = {{cpp_class}}::create(V8SharedArrayBuffer::toImpl(arrayBuffer), v8View->ByteOffset(), v8View->{% if interface_name == 'DataView' %}Byte{% endif %}Length());
+  } else {
+    NOTREACHED();
+  }
+  v8::Local<v8::Object> associatedWrapper = typedArray->associateWithWrapper(v8::Isolate::GetCurrent(), typedArray->wrapperTypeInfo(), object);
+  DCHECK(associatedWrapper == object);
 
-    return typedArray->toImpl<{{cpp_class}}>();
+  return typedArray->toImpl<{{cpp_class}}>();
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block to_impl_with_type_check %}
-{{cpp_class}}* {{v8_class}}::toImplWithTypeCheck(v8::Isolate* isolate, v8::Local<v8::Value> value)
-{
+{{cpp_class}}* {{v8_class}}::toImplWithTypeCheck(v8::Isolate* isolate, v8::Local<v8::Value> value) {
 {% if is_array_buffer_or_view %}
-    return value->Is{{interface_name}}() ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
+  return value->Is{{interface_name}}() ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 {% else %}
-    return hasInstance(value, isolate) ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
+  return hasInstance(value, isolate) ? toImpl(v8::Local<v8::Object>::Cast(value)) : nullptr;
 {% endif %}
 }
 
 {% endblock %}
 
 
 {##############################################################################}
 {% block prepare_prototype_and_interface_object %}
 {% from 'methods.cpp.tmpl' import install_conditionally_enabled_methods with context %}
 {% if has_prepare_prototype_and_interface_object %}
-void {{v8_class}}::preparePrototypeAndInterfaceObject(v8::Local<v8::Context> context, const DOMWrapperWorld& world, v8::Local<v8::Object> prototypeObject, v8::Local<v8::Function> interfaceObject, v8::Local<v8::FunctionTemplate> interfaceTemplate)
-{
-    v8::Isolate* isolate = context->GetIsolate();
+void {{v8_class}}::preparePrototypeAndInterfaceObject(v8::Local<v8::Context> context, const DOMWrapperWorld& world, v8::Local<v8::Object> prototypeObject, v8::Local<v8::Function> interfaceObject, v8::Local<v8::FunctionTemplate> interfaceTemplate) {
+  v8::Isolate* isolate = context->GetIsolate();
 {% if unscopables %}
-    {{install_unscopables() | indent}}
+  {{install_unscopables() | indent(2)}}
 {% endif %}
 {% if has_conditional_attributes_on_prototype %}
-    {{install_conditionally_enabled_attributes_on_prototype() | indent}}
+  {{install_conditionally_enabled_attributes_on_prototype() | indent(2)}}
 {% endif %}
 {% if methods | conditionally_exposed(is_partial) %}
-    {{install_conditionally_enabled_methods() | indent}}
+  {{install_conditionally_enabled_methods() | indent(2)}}
 {% endif %}
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% macro install_unscopables() %}
 v8::Local<v8::Name> unscopablesSymbol(v8::Symbol::GetUnscopables(isolate));
 v8::Local<v8::Object> unscopables;
 if (v8CallBoolean(prototypeObject->HasOwnProperty(context, unscopablesSymbol)))
-    unscopables = prototypeObject->Get(context, unscopablesSymbol).ToLocalChecked().As<v8::Object>();
+  unscopables = prototypeObject->Get(context, unscopablesSymbol).ToLocalChecked().As<v8::Object>();
 else
-    unscopables = v8::Object::New(isolate);
+  unscopables = v8::Object::New(isolate);
 {% for name, runtime_enabled_function in unscopables %}
 {% filter runtime_enabled(runtime_enabled_function) %}
 unscopables->CreateDataProperty(context, v8AtomicString(isolate, "{{name}}"), v8::True(isolate)).FromJust();
 {% endfilter %}
 {% endfor %}
 prototypeObject->CreateDataProperty(context, unscopablesSymbol, unscopables).FromJust();
 {% endmacro %}
 
 
 {##############################################################################}
@@ skipping 12 matching lines @@
 {% endfilter %}{# exposed #}
 {% endfor %}
 {% endmacro %}
 
 
 {##############################################################################}
 {% block partial_interface %}
 {% if has_partial_interface %}
 InstallTemplateFunction {{v8_class}}::install{{v8_class}}TemplateFunction = (InstallTemplateFunction)&{{v8_class}}::install{{v8_class}}Template;
 
-void {{v8_class}}::updateWrapperTypeInfo(InstallTemplateFunction installTemplateFunction, PreparePrototypeAndInterfaceObjectFunction preparePrototypeAndInterfaceObjectFunction)
-{
-    {{v8_class}}::install{{v8_class}}TemplateFunction = installTemplateFunction;
-    if (preparePrototypeAndInterfaceObjectFunction)
-        {{v8_class}}::wrapperTypeInfo.preparePrototypeAndInterfaceObjectFunction = preparePrototypeAndInterfaceObjectFunction;
+void {{v8_class}}::updateWrapperTypeInfo(InstallTemplateFunction installTemplateFunction, PreparePrototypeAndInterfaceObjectFunction preparePrototypeAndInterfaceObjectFunction) {
+  {{v8_class}}::install{{v8_class}}TemplateFunction = installTemplateFunction;
+  if (preparePrototypeAndInterfaceObjectFunction)
+    {{v8_class}}::wrapperTypeInfo.preparePrototypeAndInterfaceObjectFunction = preparePrototypeAndInterfaceObjectFunction;
 }
 
 {% 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;
+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 %}