[bindings] Use Local<> in lieu of Handle<> for the callback_interface.h/cpp in templates.

Source/bindings/tests/results/core/V8TestCallbackInterface.h

 // 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!
 
 #ifndef V8TestCallbackInterface_h
 #define V8TestCallbackInterface_h
 
 #include "bindings/core/v8/ActiveDOMCallback.h"
 #include "bindings/core/v8/DOMWrapperWorld.h"
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/tests/idls/core/TestCallbackInterface.h"
 
 namespace blink {
 
 class V8TestCallbackInterface final : public TestCallbackInterface, public ActiveDOMCallback {
 public:
-    static V8TestCallbackInterface* create(v8::Handle<v8::Function> callback, ScriptState* scriptState)
+    static V8TestCallbackInterface* create(v8::Local<v8::Function> callback, ScriptState* scriptState)
     {
         return new V8TestCallbackInterface(callback, scriptState);
     }
 
     virtual ~V8TestCallbackInterface();
 
     virtual void voidMethod() override;
     virtual bool booleanMethod() override;
     virtual void voidMethodBooleanArg(bool boolArg) override;
     virtual void voidMethodSequenceArg(const Vector<RefPtr<TestInterfaceEmpty> >& sequenceArg) override;
     virtual void voidMethodFloatArg(float floatArg) override;
     virtual void voidMethodTestInterfaceEmptyArg(TestInterfaceEmpty* testInterfaceEmptyArg) override;
     virtual void voidMethodTestInterfaceEmptyStringArg(TestInterfaceEmpty* testInterfaceEmptyArg, const String& stringArg) override;
     virtual void callbackWithThisValueVoidMethodStringArg(ScriptValue thisValue, const String& stringArg) override;
     virtual void customVoidMethodTestInterfaceEmptyArg(TestInterfaceEmpty* testInterfaceEmptyArg) override;
     virtual void voidMethodWillBeGarbageCollectedSequenceArg(const WillBeHeapVector<RefPtrWillBeMember<TestInterfaceWillBeGarbageCollected> >& sequenceArg) override;
     virtual void voidMethodWillBeGarbageCollectedArrayArg(const WillBeHeapVector<RefPtrWillBeMember<TestInterfaceWillBeGarbageCollected> >& arrayArg) override;
 private:
-    V8TestCallbackInterface(v8::Handle<v8::Function>, ScriptState*);
+    V8TestCallbackInterface(v8::Local<v8::Function>, ScriptState*);
 
     ScopedPersistent<v8::Function> m_callback;
     RefPtr<ScriptState> m_scriptState;
 };
 
 }
 #endif // V8TestCallbackInterface_h