[SVG] SVGAnimatedRect migration to new SVG property impl.

Source/core/rendering/svg/SVGTextQuery.cpp

Index: Source/core/rendering/svg/SVGTextQuery.cpp
diff --git a/Source/core/rendering/svg/SVGTextQuery.cpp b/Source/core/rendering/svg/SVGTextQuery.cpp
index 4bf2a3c3da731f198137367be68ac40103265607..f86bd554e3db636747b7dc943c18f54e55f5f69d 100644
--- a/Source/core/rendering/svg/SVGTextQuery.cpp
+++ b/Source/core/rendering/svg/SVGTextQuery.cpp
@@ -499,10 +499,10 @@ bool SVGTextQuery::extentOfCharacterCallback(Data* queryData, const SVGTextFragm
     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);