binding: Removes createClosure().

third_party/WebKit/Source/bindings/core/v8/ScriptFunction.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.
 
 #include "bindings/core/v8/ScriptFunction.h"
 
 #include "bindings/core/v8/V8Binding.h"
 
 namespace blink {
 
 v8::Local<v8::Function> ScriptFunction::bindToV8Function()
 {
+#if ENABLE(ASSERT)
+    DCHECK(!m_bindToV8FunctionAlreadyCalled);
+    m_bindToV8FunctionAlreadyCalled = true;
+#endif
+
     v8::Isolate* isolate = m_scriptState->isolate();
     v8::Local<v8::External> wrapper = v8::External::New(isolate, this);
     m_scriptState->world().registerDOMObjectHolder(isolate, this, wrapper);
-    return createClosure(&ScriptFunction::callCallback, wrapper, isolate);
+    return v8::Function::New(m_scriptState->context(), callCallback, wrapper, 0, v8::ConstructorBehavior::kThrow).ToLocalChecked();
 }
 
 void ScriptFunction::callCallback(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     ASSERT(args.Data()->IsExternal());
     ScriptFunction* scriptFunction = static_cast<ScriptFunction*>(v8::Local<v8::External>::Cast(args.Data())->Value());
     ScriptValue result = scriptFunction->call(ScriptValue(scriptFunction->getScriptState(), args[0]));
     v8SetReturnValue(args, result.v8Value());
 }
 
 } // namespace blink