Remove sky/engine/core/app

sky/engine/core/app/AbstractModule.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_ABSTRACTMODULE_H_
-#define SKY_ENGINE_CORE_APP_ABSTRACTMODULE_H_
-
-#include "sky/engine/core/dom/ContextLifecycleObserver.h"
-#include "sky/engine/core/dom/Document.h"
-#include "sky/engine/core/events/EventTarget.h"
-#include "sky/engine/wtf/RefCounted.h"
-
-namespace blink {
-class Application;
-
-class LibraryEntry {
- public:
-  LibraryEntry(PassRefPtr<DartValue> library, TextPosition position)
-      : dart_library_(library), text_position_(position) {}
-
-  DartValue* library() const { return dart_library_.get(); }
-  const TextPosition& position() const { return text_position_; }
-
- private:
-  RefPtr<DartValue> dart_library_;
-  TextPosition text_position_;
-};
-
-class AbstractModule : public RefCounted<AbstractModule>,
-                       public EventTargetWithInlineData,
-                       public ContextLifecycleObserver {
-  REFCOUNTED_EVENT_TARGET(AbstractModule);
- public:
-  virtual ~AbstractModule();
-
-  Document* document() const { return document_.get(); }
-  const String& url() const { return url_; }
-
-  virtual bool isApplication() const { return false; }
-
-  String UrlForLibraryAt(TextPosition);
-
-  void AddLibrary(RefPtr<DartValue> library, TextPosition position);
-  const Vector<LibraryEntry>& libraries() const { return libraries_; }
-
- protected:
-  AbstractModule(ExecutionContext*, PassRefPtr<Document>, const String& url);
-
-  virtual Application* GetApplication() = 0;
-
- private:
-  ExecutionContext* executionContext() const override;
-
-  RefPtr<Document> document_;
-  String url_;
-  Vector<LibraryEntry> libraries_;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_APP_ABSTRACTMODULE_H_