CANCEL: Make Document::caretRangeFromPoint() to work with :before style

Source/core/dom/TreeScope.h

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  * Copyright (C) 2012 Apple Inc. All Rights Reserved.
  *
  * 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 21 matching lines @@
 #include "wtf/text/AtomicString.h"
 
 namespace WebCore {
 
 class ContainerNode;
 class DOMSelection;
 class Document;
 class Element;
 class HTMLLabelElement;
 class HTMLMapElement;
+class HitTestResult;
 class LayoutPoint;
 class IdTargetObserverRegistry;
 class Node;
 class RenderObject;
 
 // A class which inherits both Node and TreeScope must call clearRareData() in its destructor
 // so that the Node destructor no longer does problematic NodeList cache manipulation in
 // the destructor.
 class TreeScope {
     friend class Document;
@@ skipping 135 matching lines @@
     return m_elementsById && m_elementsById->containsMultiple(id.impl());
 }
 
 inline bool operator==(const TreeScope& a, const TreeScope& b) { return &a == &b; }
 inline bool operator==(const TreeScope& a, const TreeScope* b) { return &a == b; }
 inline bool operator==(const TreeScope* a, const TreeScope& b) { return a == &b; }
 inline bool operator!=(const TreeScope& a, const TreeScope& b) { return !(a == b); }
 inline bool operator!=(const TreeScope& a, const TreeScope* b) { return !(a == b); }
 inline bool operator!=(const TreeScope* a, const TreeScope& b) { return !(a == b); }
 
-RenderObject* rendererFromPoint(Document*, int x, int y, LayoutPoint* localPoint = 0);
+HitTestResult hitTestInDocument(const Document&, int x, int y);
 TreeScope* commonTreeScope(Node*, Node*);
 
 } // namespace WebCore
 
 #endif // TreeScope_h