[SVG] SVGAnimatedRect migration to new SVG property impl.

Source/core/rendering/svg/SVGTextQuery.cpp

 /*
  * 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 481 matching lines @@
 
     int startPosition = data->position;
     int endPosition = startPosition + 1;
     if (!mapStartEndPositionsIntoFragmentCoordinates(queryData, fragment, startPosition, endPosition))
         return false;
 
     calculateGlyphBoundaries(queryData, fragment, startPosition, data->extent);
     return true;
 }
 
-SVGRect SVGTextQuery::extentOfCharacter(unsigned position) const
+FloatRect SVGTextQuery::extentOfCharacter(unsigned position) const
 {
     if (m_textBoxes.isEmpty())
-        return SVGRect();
+        return FloatRect();
 
     ExtentOfCharacterData data(position);
     executeQuery(&data, &SVGTextQuery::extentOfCharacterCallback);
     return data.extent;
 }
 
 // characterNumberAtPosition() implementation
 struct CharacterNumberAtPositionData : SVGTextQuery::Data {
     CharacterNumberAtPositionData(const FloatPoint& queryPosition)
         : position(queryPosition)
@@ skipping 30 matching lines @@
         return -1;
 
     CharacterNumberAtPositionData data(position);
     if (!executeQuery(&data, &SVGTextQuery::characterNumberAtPositionCallback))
         return -1;
 
     return data.processedCharacters;
 }
 
 }