Make first-letter style to work with editing

Source/core/rendering/HitTestResult.h

Index: Source/core/rendering/HitTestResult.h
diff --git a/Source/core/rendering/HitTestResult.h b/Source/core/rendering/HitTestResult.h
index c22efab01be3293c86967d7560dbb9c0f0e22ec9..61ab2e82a455773acc462b08c5ce4cb78a46ed44 100644
--- a/Source/core/rendering/HitTestResult.h
+++ b/Source/core/rendering/HitTestResult.h
@@ -41,6 +41,7 @@ class HTMLMediaElement;
 class Image;
 class KURL;
 class Node;
+class RenderObject;
 class RenderRegion;
 class Scrollbar;
 
@@ -80,6 +81,8 @@ public:
     const LayoutPoint& localPoint() const { return m_localPoint; }
     void setLocalPoint(const LayoutPoint& p) { m_localPoint = p; }
 
+    RenderObject* renderer() const;
+
     void setToNodesInDocumentTreeScope();
     void setToShadowHostIfInUserAgentShadowRoot();
 
@@ -89,6 +92,7 @@ public:
     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;
@@ -133,6 +137,7 @@ private:
                               // determine where inside the renderer we hit on subsequent operations.
     RefPtr<Element> m_innerURLElement;
     RefPtr<Scrollbar> m_scrollbar;
+    bool m_isFirstLetter;
     bool m_isOverWidget; // Returns true if we are over a widget (and not in the border/padding area of a RenderWidget for example).
 
     mutable OwnPtr<NodeSet> m_rectBasedTestResult;