Reduce forward declarations in core/dom

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 49 matching lines @@
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/WeakPtr.h"
 
 namespace WebCore {
 
 class AXObjectCache;
 class Attr;
 class CDATASection;
-class CSSFontSelector;
 class CSSStyleDeclaration;
 class CSSStyleSheet;
-class CSSStyleSheetResource;
 class CanvasRenderingContext2D;
-class CharacterData;
 class Chrome;
 class Comment;
 class ContentSecurityPolicyResponseHeaders;
 class ContextFeatures;
 class CustomElementRegistrationContext;
 class DOMImplementation;
-class DOMSelection;
 class DOMWindow;
-class Database;
-class DatabaseThread;
 class DocumentFragment;
 class DocumentLifecycleNotifier;
-class DocumentLifecycleObserver;
 class DocumentLoader;
 class DocumentMarkerController;
 class DocumentParser;
 class DocumentState;
 class AnimationTimeline;
 class DocumentType;
 class Element;
 class ElementDataCache;
 class Event;
 class EventFactoryBase;
 class EventListener;
 class ExceptionState;
 class FastTextAutosizer;
 class FloatQuad;
 class FloatRect;
-class FontFaceSet;
 class FormController;
 class Frame;
 class FrameHost;
 class FrameView;
 class HTMLAllCollection;
 class HTMLCanvasElement;
 class HTMLCollection;
 class HTMLDialogElement;
-class HTMLDocument;
 class HTMLElement;
 class HTMLFrameOwnerElement;
 class HTMLHeadElement;
-class HTMLIFrameElement;
-class HTMLImport;
 class HTMLImportLoader;
 class HTMLImportsController;
 class HTMLLinkElement;
-class HTMLMapElement;
-class HTMLNameCollection;
 class HTMLScriptElement;
 class HitTestRequest;
 class HitTestResult;
-class IntPoint;
-class JSNode;
 class LayoutPoint;
-class LayoutRect;
 class LiveNodeListBase;
 class Locale;
 class LocalFrame;
 class Location;
 class MainThreadTaskRunner;
-class MediaQueryList;
 class MediaQueryMatcher;
 class MouseEventWithHitTestResults;
 class NodeFilter;
 class NodeIterator;
 class Page;
 class PlatformMouseEvent;
 class ProcessingInstruction;
 class Range;
-class RegisteredEventListener;
 class RenderView;
 class RequestAnimationFrameCallback;
 class ResourceFetcher;
 class SVGDocumentExtensions;
 class SVGUseElement;
-class ScriptElementData;
-class ScriptResource;
 class ScriptRunner;
 class ScriptableDocumentParser;
 class ScriptedAnimationController;
 class SecurityOrigin;
 class SegmentedString;
 class SelectorQueryCache;
 class SerializedScriptValue;
 class Settings;
 class StyleEngine;
 class StyleResolver;
 class StyleSheet;
-class StyleSheetContents;
 class StyleSheetList;
 class Text;
 class TextAutosizer;
 class Touch;
 class TouchList;
 class TransformSource;
 class TreeWalker;
 class VisitedLinkState;
 class WebGLRenderingContext;
-class XMLHttpRequest;
 
 struct AnnotatedRegionValue;
 
 typedef int ExceptionCode;
 
 enum StyleResolverUpdateMode {
     // Discards the StyleResolver and rebuilds it.
     FullStyleUpdate,
     // Attempts to use StyleInvalidationAnalysis to avoid discarding the entire StyleResolver.
     AnalyzedStyleUpdate
@@ skipping 1266 matching lines @@
 inline bool Node::isDocumentNode() const
 {
     return this == document();
 }
 
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace WebCore
 
 #endif // Document_h