Make first-letter style to work with editing

Source/core/dom/Position.h

 /*
  * Copyright (C) 2004, 2006, 2008 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 104 matching lines @@
             return m_offset;
         return offsetForPositionAfterAnchor();
     }
 
     // These are convenience methods which are smart about whether the position is neighbor anchored or parent anchored
     Node* computeNodeBeforePosition() const;
     Node* computeNodeAfterPosition() const;
 
     Node* anchorNode() const { return m_anchorNode.get(); }
 
+    // FIXME: We should replace anchorNode()->renderer() and deprecatedNode()->renderer()
+    // with rendererOfAnchorNode().
+    RenderObject* rendererOfAnchorNode() const;
+
+    // New code should not use this function.
+    int deprecatedOffsetInRendererOfAnchorNode() const;
+
     // FIXME: Callers should be moved off of node(), node() is not always the container for this position.
     // For nodes which editingIgnoresContent(node()) returns true, positions like [ignoredNode, 0]
     // will be treated as before ignoredNode (thus node() is really after the position, not containing it).
     Node* deprecatedNode() const { return m_anchorNode.get(); }
 
     Document* document() const { return m_anchorNode ? &m_anchorNode->document() : 0; }
     bool inDocument() const { return m_anchorNode && m_anchorNode->inDocument(); }
     Element* rootEditableElement() const
     {
         Node* container = containerNode();
@@ skipping 205 matching lines @@
 
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const WebCore::Position&);
 void showTree(const WebCore::Position*);
 #endif
 
 #endif // Position_h