[bindings] Interface functions installConditionallyEnabled[Methods/Properties] should use Local<>

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 849 matching lines @@
     return hasInstance(value, isolate) ? toImpl(v8::Handle<v8::Object>::Cast(value)) : 0;
 }
 
 {% endblock %}
 
 
 {##############################################################################}
 {% block install_conditional_attributes %}
 {% from 'attributes.cpp' import attribute_configuration with context %}
 {% if has_conditional_attributes %}
-void {{v8_class}}::installConditionallyEnabledProperties(v8::Handle<v8::Object> instanceObject, v8::Isolate* isolate)
+void {{v8_class}}::installConditionallyEnabledProperties(v8::Local<v8::Object> instanceObject, v8::Isolate* isolate)
 {
     v8::Local<v8::Object> prototypeObject = v8::Local<v8::Object>::Cast(instanceObject->GetPrototype());
     ExecutionContext* context = toExecutionContext(prototypeObject->CreationContext());
 
     {% for attribute in attributes if attribute.per_context_enabled_function or attribute.exposed_test %}
     {% filter per_context_enabled(attribute.per_context_enabled_function) %}
     {% filter exposed(attribute.exposed_test) %}
     static const V8DOMConfiguration::AttributeConfiguration attributeConfiguration =\
     {{attribute_configuration(attribute)}};
     V8DOMConfiguration::installAttribute(instanceObject, prototypeObject, attributeConfiguration, isolate);
@@ skipping 89 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 %}