Remove sky/engine/core/app

sky/engine/core/app/Application.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.
-
-#ifndef SKY_ENGINE_CORE_APP_APPLICATION_H_
-#define SKY_ENGINE_CORE_APP_APPLICATION_H_
-
-#include "sky/engine/core/app/AbstractModule.h"
-
-namespace blink {
-
-class Application : public AbstractModule {
-public:
-  static PassRefPtr<Application> create(ExecutionContext* context,
-                                        PassRefPtr<Document> document,
-                                        const String& url) {
-    return adoptRef(new Application(context, document, url));
-  }
-
-  virtual ~Application();
-
-  void setTitle(const String& title) { title_ = title; }
-  const String& title() { return title_; }
-
-  bool isApplication() const override { return true; }
-
-private:
-  Application(ExecutionContext* context,
-              PassRefPtr<Document> document,
-              const String& url);
-  const AtomicString& interfaceName() const override;
-
-  Application* GetApplication() override;
-
-  String title_;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_APP_APPLICATION_H_