REGRESSION: Click on focused link should not remove focus on it.

Source/core/svg/SVGUseElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  *
  * 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,
@@ skipping 36 matching lines @@
     SVGElementInstance* instanceForShadowTreeElement(Node*) const;
     void invalidateShadowTree();
     void invalidateDependentShadowTrees();
 
     RenderObject* rendererClipChild() const;
 
 private:
     SVGUseElement(const QualifiedName&, Document*, bool wasInsertedByParser);
 
     virtual bool isValid() const { return SVGTests::isValid(); }
-    virtual bool supportsFocus() const { return true; }
+    virtual bool supportsFocus() const OVERRIDE { return hasFocusEventListeners(); }
 
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     virtual void removedFrom(ContainerNode*) OVERRIDE;
     virtual void buildPendingResource();
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual void svgAttributeChanged(const QualifiedName&);
 
     virtual void willRecalcStyle(StyleChange) OVERRIDE;
@@ skipping 59 matching lines @@
 
 inline SVGUseElement* toSVGUseElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(SVGNames::useTag));
     return static_cast<SVGUseElement*>(node);
 }
 
 }
 
 #endif