Make Document::caretRangeFromPoint() to work with :first-letter style

Source/core/rendering/HitTestResult.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 23 matching lines @@
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class Element;
 class Frame;
 class HTMLMediaElement;
 class Image;
 class KURL;
 class Node;
+class RenderObject;
 class RenderRegion;
 class Scrollbar;
 
 class HitTestResult {
 public:
     typedef ListHashSet<RefPtr<Node> > NodeSet;
 
     HitTestResult();
     HitTestResult(const LayoutPoint&);
     // Pass non-negative padding values to perform a rect-based hit test.
@@ skipping 20 matching lines @@
     // The hit-tested point in the coordinates of the innerNode frame, the frame containing innerNode.
     const LayoutPoint& pointInInnerNodeFrame() const { return m_pointInInnerNodeFrame; }
     IntPoint roundedPointInInnerNodeFrame() const { return roundedIntPoint(pointInInnerNodeFrame()); }
     Frame* innerNodeFrame() const;
 
     // The hit-tested point in the coordinates of the inner node.
     const LayoutPoint& localPoint() const { return m_localPoint; }
     void setLocalPoint(const LayoutPoint& p) { m_localPoint = p; }
 
     void allowPseudoElements() { m_allowPseudoElements = true; }
+    RenderObject* renderer() const;
+
     void setToNodesInDocumentTreeScope();
     void setToShadowHostIfInUserAgentShadowRoot();
 
     const HitTestLocation& hitTestLocation() const { return m_hitTestLocation; }
 
     void setInnerNode(Node*);
     void setInnerNonSharedNode(Node*);
     void setURLElement(Element*);
     void setScrollbar(Scrollbar*);
+    void setIsFirstLetter(bool b) { m_isFirstLetter = b; }
     void setIsOverWidget(bool b) { m_isOverWidget = b; }
 
     Frame* targetFrame() const;
     bool isSelected() const;
     String spellingToolTip(TextDirection&) const;
     String title(TextDirection&) const;
     String altDisplayString() const;
     String titleDisplayString() const;
     Image* image() const;
     IntRect imageRect() const;
@@ skipping 26 matching lines @@
 
     RefPtr<Node> m_innerNode;
     RefPtr<Node> m_innerNonSharedNode;
     LayoutPoint m_pointInInnerNodeFrame; // The hit-tested point in innerNode frame coordinates.
     LayoutPoint m_localPoint; // A point in the local coordinate space of m_innerNonSharedNode's renderer. Allows us to efficiently
                               // determine where inside the renderer we hit on subsequent operations.
     RefPtr<Element> m_innerURLElement;
     RefPtr<Scrollbar> m_scrollbar;
     bool m_isOverWidget; // Returns true if we are over a widget (and not in the border/padding area of a RenderWidget for example).
     bool m_allowPseudoElements;
+    bool m_isFirstLetter;
 
     mutable OwnPtr<NodeSet> m_rectBasedTestResult;
 };
 
 String displayString(const String&, const Node*);
 
 } // namespace WebCore
 
 #endif // HitTestResult_h