Remove sky/engine/core/app

sky/engine/core/app/Application.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 "sky/engine/core/app/Application.h"
-
-#include "gen/sky/core/EventTargetNames.h"
-
-namespace blink {
-
-Application::Application(ExecutionContext* context,
-                         PassRefPtr<Document> document,
-                         const String& url)
-  : AbstractModule(context, document, url) {
-}
-
-Application::~Application() {
-}
-
-const AtomicString& Application::interfaceName() const {
-  return EventTargetNames::Application;
-}
-
-Application* Application::GetApplication() {
-  return this;
-}
-
-} // namespace blink