[svg2] Make 'rx' and 'ry' presentation attributes

Source/core/animation/css/CSSPropertyEquality.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/animation/css/CSSPropertyEquality.h"
 
 #include "core/animation/css/CSSAnimations.h"
 #include "core/layout/style/DataEquivalency.h"
 #include "core/layout/style/LayoutStyle.h"
@@ skipping 286 matching lines @@
     case CSSPropertyWidows:
         return a.widows() == b.widows();
     case CSSPropertyWidth:
         return a.width() == b.width();
     case CSSPropertyWordSpacing:
         return a.wordSpacing() == b.wordSpacing();
     case CSSPropertyX:
         return a.svgStyle().x() == b.svgStyle().x();
     case CSSPropertyY:
         return a.svgStyle().y() == b.svgStyle().y();
+    case CSSPropertyRx:
+        return a.svgStyle().rx() == b.svgStyle().rx();
+    case CSSPropertyRy:
+        return a.svgStyle().ry() == b.svgStyle().ry();
     case CSSPropertyZIndex:
         return a.zIndex() == b.zIndex();
     default:
         ASSERT_NOT_REACHED();
         return true;
     }
 }
 
 }