blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/frame/DOMWindow.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 DOMWindow_h
 #define DOMWindow_h
 
 #include "bindings/core/v8/Transferables.h"
 #include "core/CoreExport.h"
 #include "core/events/EventTarget.h"
 #include "core/frame/DOMWindowBase64.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollableArea.h"
 
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class ApplicationCache;
 class BarProp;
 class CSSRuleList;
 class CSSStyleDeclaration;
 class CustomElementRegistry;
 class DOMSelection;
 class DOMVisualViewport;
-class DOMWindowCSS;
 class Document;
 class Element;
 class External;
 class Frame;
 class FrameRequestCallback;
 class History;
 class IdleRequestCallback;
 class IdleRequestOptions;
 class Location;
 class LocalDOMWindow;
 class MessageEvent;
 class MediaQueryList;
 class Navigator;
 class Screen;
 class ScriptState;
 class ScrollToOptions;
 class SerializedScriptValue;
-class Storage;
 class StyleMedia;
 
 class CORE_EXPORT DOMWindow : public EventTargetWithInlineData,
                               public DOMWindowBase64 {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   ~DOMWindow() override;
 
   // GarbageCollectedFinalized overrides:
@@ skipping 213 matching lines @@
   // implementation details to scripts.
   bool m_windowIsClosing;
 
  private:
   mutable Member<Location> m_location;
 };
 
 }  // namespace blink
 
 #endif  // DOMWindow_h