[Bindings] Simplify V8PrivateProperty::Symbol methods

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

 {% extends 'interface_base.cpp.tmpl' %}
 
 {##############################################################################}
 {% 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 %}
@@ skipping 545 matching lines @@
   if (!perContextData) {
     // TODO(yukishiino): Return a valid named constructor even after the context is detached
     return;
   }
 
   v8::Local<v8::Function> namedConstructor = perContextData->constructorForType(&{{v8_class}}Constructor::wrapperTypeInfo);
 
   // Set the prototype of named constructors to the regular constructor.
   auto privateProperty = V8PrivateProperty::getNamedConstructorInitialized(info.GetIsolate());
   v8::Local<v8::Context> currentContext = info.GetIsolate()->GetCurrentContext();
-  v8::Local<v8::Value> privateValue = privateProperty.get(currentContext, namedConstructor);
+  v8::Local<v8::Value> privateValue = privateProperty.getOrEmpty(namedConstructor);
 
   if (privateValue.IsEmpty()) {
     v8::Local<v8::Function> interface = perContextData->constructorForType(&{{v8_class}}::wrapperTypeInfo);
     v8::Local<v8::Value> interfacePrototype = interface->Get(currentContext, v8AtomicString(info.GetIsolate(), "prototype")).ToLocalChecked();
     bool result = namedConstructor->Set(currentContext, v8AtomicString(info.GetIsolate(), "prototype"), interfacePrototype).ToChecked();
     if (!result)
       return;
-    privateProperty.set(currentContext, namedConstructor, v8::True(info.GetIsolate()));
+    privateProperty.set(namedConstructor, v8::True(info.GetIsolate()));
   }
 
   v8SetReturnValue(info, namedConstructor);
 }
 
 {% endif %}
 {% endblock %}
 
 {##############################################################################}
 {% block overloaded_constructor %}
@@ skipping 338 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 %}