blink: Cleanup class/struct forward declarations

third_party/WebKit/Source/core/dom/Node.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004-2011, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 28 matching lines @@
 #include "platform/geometry/LayoutRect.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Compiler.h"
 #include "wtf/Forward.h"
 
 // This needs to be here because Element.cpp also depends on it.
 #define DUMP_NODE_STATISTICS 0
 
 namespace blink {
 
-class Attribute;
 class ContainerNode;
 class Document;
 class Element;
 class ElementShadow;
 class Event;
-class EventListener;
 class ExceptionState;
 class GetRootNodeOptions;
 class HTMLQualifiedName;
 class HTMLSlotElement;
 class IntRect;
 class EventDispatchHandlingState;
 class NodeList;
 class NodeListsNodeData;
 class NodeRareData;
 class PlatformMouseEvent;
 class QualifiedName;
 class RegisteredEventListener;
 class LayoutBox;
 class LayoutBoxModelObject;
 class LayoutObject;
 class ComputedStyle;
 class SVGQualifiedName;
 class ShadowRoot;
 template <typename NodeType>
 class StaticNodeTypeList;
 using StaticNodeList = StaticNodeTypeList<Node>;
 class StyleChangeReasonForTracing;
 class Text;
-class TouchEvent;
 
 const int nodeStyleChangeShift = 18;
 const int nodeCustomElementShift = 20;
 
 enum StyleChangeType {
   NoStyleChange = 0,
   LocalStyleChange = 1 << nodeStyleChangeShift,
   SubtreeStyleChange = 2 << nodeStyleChangeShift,
   NeedsReattachStyleChange = 3 << nodeStyleChangeShift,
 };
@@ skipping 930 matching lines @@
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showNode(const blink::Node*);
 void showTree(const blink::Node*);
 void showNodePath(const blink::Node*);
 #endif
 
 #endif  // Node_h