Use a block scope in install_conditionally_enabled_attributes_on_prototype

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' %}
 
@@ skipping 884 matching lines @@
 unscopables->CreateDataProperty(context, v8AtomicString(isolate, "{{name}}"), v8::True(isolate)).FromJust();
 {% endfilter %}
 {% endfor %}
 prototypeObject->CreateDataProperty(context, unscopablesSymbol, unscopables).FromJust();
 {% endmacro %}
 
 
 {##############################################################################}
 {% macro install_conditionally_enabled_attributes_on_prototype() %}
 {% from 'attributes.cpp.tmpl' import attribute_configuration with context %}
-ExecutionContext* executionContext = toExecutionContext(context);
-v8::Local<v8::Signature> signature = v8::Signature::New(isolate, interfaceTemplate);
-{% for attribute in attributes if (attribute.exposed_test or attribute.secure_context_test) and attribute.on_prototype %}
-{% filter exposed(attribute.exposed_test) %}
-{% filter secure_context(attribute.secure_context_test) %}
-{% filter runtime_enabled(attribute.runtime_enabled_feature_name) %}
-const V8DOMConfiguration::AccessorConfiguration accessorConfiguration = {{attribute_configuration(attribute)}};
-V8DOMConfiguration::installAccessor(isolate, world, v8::Local<v8::Object>(), prototypeObject, interfaceObject, signature, accessorConfiguration);
-{% endfilter %}{# runtime_enabled #}
-{% endfilter %}{# secure_context #}
-{% endfilter %}{# exposed #}
-{% endfor %}
+{
+  ExecutionContext* executionContext = toExecutionContext(context);
+  v8::Local<v8::Signature> signature = v8::Signature::New(isolate, interfaceTemplate);
+  {% for attribute in attributes if (attribute.exposed_test or attribute.secure_context_test) and attribute.on_prototype %}
+  {% filter exposed(attribute.exposed_test) %}
+  {% filter secure_context(attribute.secure_context_test) %}
+  {% filter runtime_enabled(attribute.runtime_enabled_feature_name) %}
+  const V8DOMConfiguration::AccessorConfiguration accessorConfiguration = {{attribute_configuration(attribute)}};
+  V8DOMConfiguration::installAccessor(isolate, world, v8::Local<v8::Object>(), prototypeObject, interfaceObject, signature, accessorConfiguration);
+  {% endfilter %}{# runtime_enabled #}
+  {% endfilter %}{# secure_context #}
+  {% 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;
 }
 
 {% 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 %}