[bindings] Let getShadowObjectTemplate return 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 884 matching lines @@
     return toImpl(wrapper);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
 {% block get_shadow_object_template %}
 {% if interface_name == 'Window' %}
-v8::Handle<v8::ObjectTemplate> V8Window::getShadowObjectTemplate(v8::Isolate* isolate)
+v8::Local<v8::ObjectTemplate> V8Window::getShadowObjectTemplate(v8::Isolate* isolate)
 {
     if (DOMWrapperWorld::current(isolate).isMainWorld()) {
         DEFINE_STATIC_LOCAL(v8::Persistent<v8::ObjectTemplate>, V8WindowShadowObjectCacheForMainWorld, ());
         if (V8WindowShadowObjectCacheForMainWorld.IsEmpty()) {
             TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "BuildDOMTemplate");
             v8::Local<v8::ObjectTemplate> templ = v8::ObjectTemplate::New(isolate);
             configureShadowObjectTemplate(templ, isolate);
             V8WindowShadowObjectCacheForMainWorld.Reset(isolate, templ);
             return templ;
         }
@@ skipping 54 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 %}