Make first-letter style to work with editing

Source/core/accessibility/AccessibilityObject.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 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 798 matching lines @@
 }
 
 void AccessibilityObject::selectionChanged()
 {
     if (AccessibilityObject* parent = parentObjectIfExists())
         parent->selectionChanged();
 }
 
 static VisiblePosition startOfStyleRange(const VisiblePosition& visiblePos)
 {
-    RenderObject* renderer = visiblePos.deepEquivalent().deprecatedNode()->renderer();
+    RenderObject* renderer = visiblePos.deepEquivalent().renderer();
     RenderObject* startRenderer = renderer;
     RenderStyle* style = renderer->style();
 
     // traverse backward by renderer to look for style change
     for (RenderObject* r = renderer->previousInPreOrder(); r; r = r->previousInPreOrder()) {
         // skip non-leaf nodes
         if (r->firstChild())
             continue;
 
         // stop at style change
         if (r->style() != style)
             break;
 
         // remember match
         startRenderer = r;
     }
 
     return firstPositionInOrBeforeNode(startRenderer->node());
 }
 
 static VisiblePosition endOfStyleRange(const VisiblePosition& visiblePos)
 {
-    RenderObject* renderer = visiblePos.deepEquivalent().deprecatedNode()->renderer();
+    RenderObject* renderer = visiblePos.deepEquivalent().renderer();
     RenderObject* endRenderer = renderer;
     RenderStyle* style = renderer->style();
 
     // traverse forward by renderer to look for style change
     for (RenderObject* r = renderer->nextInPreOrder(); r; r = r->nextInPreOrder()) {
         // skip non-leaf nodes
         if (r->firstChild())
             continue;
 
         // stop at style change
@@ skipping 114 matching lines @@
 
     for (AccessibilityObject* object = parentObject(); object; object = object->parentObject()) {
         if (equalIgnoringCase(object->getAttribute(aria_hiddenAttr), "true"))
             return true;
     }
 
     return false;
 }
 
 } // namespace WebCore