[DO NOT LAND] Set @@toStringTag for DOM object prototypes

Source/bindings/tests/results/core/V8TestInterfaceGarbageCollected.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestInterfaceGarbageCollected.h"
 
 #include "bindings/core/v8/ExceptionState.h"
@@ skipping 364 matching lines @@
         V8TestInterfaceGarbageCollectedMethods, WTF_ARRAY_LENGTH(V8TestInterfaceGarbageCollectedMethods));
     functionTemplate->SetCallHandler(V8TestInterfaceGarbageCollected::constructorCallback);
     functionTemplate->SetLength(1);
     v8::Local<v8::ObjectTemplate> instanceTemplate = functionTemplate->InstanceTemplate();
     ALLOW_UNUSED_LOCAL(instanceTemplate);
     v8::Local<v8::ObjectTemplate> prototypeTemplate = functionTemplate->PrototypeTemplate();
     ALLOW_UNUSED_LOCAL(prototypeTemplate);
     static const V8DOMConfiguration::SymbolKeyedMethodConfiguration symbolKeyedIteratorConfiguration = { v8::Symbol::GetIterator, TestInterfaceGarbageCollectedV8Internal::iteratorMethodCallback, 0, V8DOMConfiguration::ExposedToAllScripts };
     V8DOMConfiguration::installMethod(isolate, prototypeTemplate, defaultSignature, v8::DontDelete, symbolKeyedIteratorConfiguration);
 
+    instanceTemplate->Set(v8::Symbol::GetToStringTag(isolate), v8AtomicString(isolate, "TestInterfaceGarbageCollected"));
+
+    prototypeTemplate->Set(v8::Symbol::GetToStringTag(isolate), v8AtomicString(isolate, "TestInterfaceGarbageCollectedPrototype"));
+
     // Custom toString template
     functionTemplate->Set(v8AtomicString(isolate, "toString"), V8PerIsolateData::from(isolate)->toStringTemplate());
 }
 
 v8::Local<v8::FunctionTemplate> V8TestInterfaceGarbageCollected::domTemplate(v8::Isolate* isolate)
 {
     return V8DOMConfiguration::domClassTemplate(isolate, const_cast<WrapperTypeInfo*>(&wrapperTypeInfo), installV8TestInterfaceGarbageCollectedTemplate);
 }
 
 bool V8TestInterfaceGarbageCollected::hasInstance(v8::Local<v8::Value> v8Value, v8::Isolate* isolate)
@@ skipping 13 matching lines @@
 
 void V8TestInterfaceGarbageCollected::refObject(ScriptWrappable* scriptWrappable)
 {
 }
 
 void V8TestInterfaceGarbageCollected::derefObject(ScriptWrappable* scriptWrappable)
 {
 }
 
 } // namespace blink