Use characters (not code units) when computing value list positions

third_party/WebKit/Source/core/layout/svg/SVGTextLayoutAttributesBuilder.h

 /*
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 55 matching lines @@
         DECLARE_TRACE();
 
         Member<SVGTextPositioningElement> element;
         unsigned start;
         unsigned length;
     };
 
 private:
     void buildCharacterDataMap(LayoutSVGText&);
     void buildLayoutAttributes(LayoutSVGText&) const;
-    void collectTextPositioningElements(LayoutBoxModelObject&, UChar& lastCharacter);
+    void collectTextPositioningElements(LayoutBoxModelObject&);
     void fillCharacterDataMap(const TextPosition&);
 
 private:
-    unsigned m_textLength;
+    unsigned m_characterCount;
     PersistentHeapVector<TextPosition> m_textPositions;
     SVGCharacterDataMap m_characterDataMap;
 };
 
 } // namespace blink
 
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::SVGTextLayoutAttributesBuilder::TextPosition);
 
 #endif