Fix V8 bindings for named constructors to set prototype object correctly

third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor2.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor2.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor2.cpp b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor2.cpp
index bac94610ada1907fb3f6de1465a6a15a33ba92cb..d6dd136141f4a49ce98c161ebfa8bfad8caebadd 100644
--- a/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor2.cpp
+++ b/third_party/WebKit/Source/bindings/tests/results/core/V8TestInterfaceNamedConstructor2.cpp
@@ -109,6 +109,41 @@ v8::Local<v8::FunctionTemplate> V8TestInterfaceNamedConstructor2Constructor::dom
   return result;
 }
 
+void V8TestInterfaceNamedConstructor2Constructor::NamedConstructorAttributeGetter(
+    v8::Local<v8::Name> propertyName,
+    const v8::PropertyCallbackInfo<v8::Value>& info) {
+  ExceptionState exceptionState(info.GetIsolate(), ExceptionState::ConstructionContext, "TestInterfaceNamedConstructor2");
+  v8::Local<v8::Value> data = info.Data();
+  DCHECK(data->IsExternal());
+  V8PerContextData* perContextData =
+      V8PerContextData::from(info.Holder()->CreationContext());
+  if (!perContextData)
+    return;
+
+  v8::Local<v8::Function> namedConstructorInterface = perContextData->constructorForType(WrapperTypeInfo::unwrap(data));
+  v8::Local<v8::Function> interface = perContextData->constructorForType(&V8TestInterfaceNamedConstructor2::wrapperTypeInfo);
+
+  // Set the prototype of named constructors to the regular constructor.
+  v8::Local<v8::Context> context = info.GetIsolate()->GetCurrentContext();
+  auto privateProperty = V8PrivateProperty::getNamedConstructorInitialized(info.GetIsolate());
+  v8::Local<v8::Value> privateValue = privateProperty.get(context, namedConstructorInterface);
+  if (privateValue.IsEmpty()) {
+    v8::MaybeLocal<v8::Value> interfacePrototype = interface->Get(context, v8AtomicString(info.GetIsolate(), "prototype"));
+    if (interfacePrototype.IsEmpty())
+      exceptionState.throwTypeError("Could not get prototype for V8TestInterfaceNamedConstructor2.");
+
+    v8::Maybe<bool> setResult = namedConstructorInterface->Set(context, v8AtomicString(info.GetIsolate(), "prototype"), interfacePrototype.ToLocalChecked());
+    if (setResult.IsNothing() || setResult.ToChecked() != true) {
+      exceptionState.throwTypeError("Could not set prototype for TestInterfaceNamedConstructor2.");
+    }
+
+    privateProperty.set(context, namedConstructorInterface, v8::True(info.GetIsolate()));
+  }
+
+  v8SetReturnValue(
+      info, perContextData->constructorForType(WrapperTypeInfo::unwrap(data)));
+}
+
 static void installV8TestInterfaceNamedConstructor2Template(v8::Isolate* isolate, const DOMWrapperWorld& world, v8::Local<v8::FunctionTemplate> interfaceTemplate) {
   // Initialize the interface object's template.
   V8DOMConfiguration::initializeDOMInterfaceTemplate(isolate, interfaceTemplate, V8TestInterfaceNamedConstructor2::wrapperTypeInfo.interfaceName, v8::Local<v8::FunctionTemplate>(), V8TestInterfaceNamedConstructor2::internalFieldCount);