binding: Removes createClosure().

third_party/WebKit/Source/bindings/core/v8/ScriptFunction.cpp

Index: third_party/WebKit/Source/bindings/core/v8/ScriptFunction.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScriptFunction.cpp b/third_party/WebKit/Source/bindings/core/v8/ScriptFunction.cpp
index 41d5aac5845b515c65dcae0af2d422b5c29af2f2..c5c313e89fa6b440ab7f5eb5432536608a71c971 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScriptFunction.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/ScriptFunction.cpp
@@ -10,10 +10,15 @@ 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)