Chrome::client() should return a ChromeClient reference.

Source/core/svg/SVGAElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2010 Apple Inc. 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.
@@ skipping 204 matching lines @@
 bool SVGAElement::isMouseFocusable() const
 {
     return false;
 }
 
 bool SVGAElement::isKeyboardFocusable(KeyboardEvent*) const
 {
     if (!isFocusable())
         return false;
 
-    Page* page = document()->page();
-    if (!page)
-        return false;
-
-    return page->chrome().client()->tabsToLinks();
+    if (Page* page = document()->page())
+        return page->chrome().client().tabsToLinks();
+    return false;
 }
 
 bool SVGAElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const
 {
     // http://www.w3.org/2003/01/REC-SVG11-20030114-errata#linking-text-environment
     // The 'a' element may contain any element that its parent may contain, except itself.
     if (childContext.node()->hasTagName(SVGNames::aTag))
         return false;
     if (parentNode() && parentNode()->isSVGElement())
         return parentNode()->childShouldCreateRenderer(childContext);
 
     return SVGElement::childShouldCreateRenderer(childContext);
 }
 
 } // namespace WebCore