Remove SVG1.1 kerning property

Source/core/rendering/style/SVGRenderStyleDefs.cpp

 /*
     Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
                   2004, 2005, 2007 Rob Buis <buis@kde.org>
     Copyright (C) Research In Motion Limited 2010. All rights reserved.
 
     Based on khtml code by:
     Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
     Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
     Copyright (C) 2002-2003 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Apple Computer, Inc.
@@ skipping 114 matching lines @@
     , color(other.color)
 {
 }
 
 bool StyleStopData::operator==(const StyleStopData& other) const
 {
     return color == other.color
         && opacity == other.opacity;
 }
 
-StyleTextData::StyleTextData()
-    : kerning(SVGRenderStyle::initialKerning())
-{
-}
-
-StyleTextData::StyleTextData(const StyleTextData& other)
-    : RefCounted<StyleTextData>()
-    , kerning(other.kerning->clone())
-{
-}
-
-bool StyleTextData::operator==(const StyleTextData& other) const
-{
-    return *kerning == *other.kerning;
-}
-
 StyleMiscData::StyleMiscData()
     : floodColor(SVGRenderStyle::initialFloodColor())
     , floodOpacity(SVGRenderStyle::initialFloodOpacity())
     , lightingColor(SVGRenderStyle::initialLightingColor())
     , baselineShiftValue(SVGRenderStyle::initialBaselineShiftValue())
 {
 }
 
 StyleMiscData::StyleMiscData(const StyleMiscData& other)
     : RefCounted<StyleMiscData>()
@@ skipping 50 matching lines @@
 }
 
 bool StyleInheritedResourceData::operator==(const StyleInheritedResourceData& other) const
 {
     return markerStart == other.markerStart
         && markerMid == other.markerMid
         && markerEnd == other.markerEnd;
 }
 
 }