Clean up forward declarations in Source/core/frame

Source/core/frame/LocalDOMWindow.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 28 matching lines @@
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class ApplicationCache;
 class BarProp;
 class CSSRuleList;
 class CSSStyleDeclaration;
 class Console;
 class DOMSelection;
-class DOMURL;
 class DOMWindowCSS;
 class DOMWindowEventQueue;
 class DOMWindowLifecycleNotifier;
 class DOMWindowProperty;
-class Database;
-class DatabaseCallback;
 class Document;
 class DocumentInit;
 class Element;
 class EventListener;
 class EventQueue;
 class ExceptionState;
 class FloatRect;
 class FrameConsole;
 class History;
-class IDBFactory;
 class LocalFrame;
 class Location;
 class MediaQueryList;
-class MessageEvent;
 class Navigator;
-class Node;
 class Page;
 class Performance;
 class PostMessageTimer;
 class RequestAnimationFrameCallback;
-class ScheduledAction;
 class Screen;
 class ScriptCallStack;
 class SecurityOrigin;
 class SerializedScriptValue;
 class Storage;
 class StyleMedia;
 
-struct WindowFeatures;
-
 typedef WillBeHeapVector<RefPtrWillBeMember<MessagePort>, 1> MessagePortArray;
 
 enum PageshowEventPersistence {
     PageshowEventNotPersisted = 0,
     PageshowEventPersisted = 1
 };
 
 enum SetLocationLocking { LockHistoryBasedOnGestureState, LockHistoryAndBackForwardList };
 
 class LocalDOMWindow FINAL : public RefCountedWillBeGarbageCollectedFinalized<LocalDOMWindow>, public EventTargetWithInlineData, public DOMWindowBase64, public FrameDestructionObserver, public WillBeHeapSupplementable<LocalDOMWindow>, public LifecycleContext<LocalDOMWindow> {
@@ skipping 308 matching lines @@
 }
 
 inline String LocalDOMWindow::defaultStatus() const
 {
     return m_defaultStatus;
 }
 
 } // namespace blink
 
 #endif // LocalDOMWindow_h