Remove SVGElement.xmlbase/xmlspace/xmllang and no use codes.

Source/core/svg/SVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * 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
@@ skipping 576 matching lines @@
     }
 
     if (name == HTMLNames::classAttr) {
         // SVG animation has currently requires special storage of values so we set
         // the className here. svgAttributeChanged actually causes the resulting
         // style updates (instead of Element::parseAttribute). We don't
         // tell Element about the change to avoid parsing the class list twice
         SVGParsingError parseError = NoError;
         m_className->setBaseValueAsString(value, parseError);
         reportAttributeParsingError(parseError, name, value);
-    } else if (name.matches(XMLNames::langAttr) || name.matches(XMLNames::spaceAttr)) {

[philipj_slow, 2015/05/08 08:09:24]

This isn't really related to removing the IDL attributes, but it is safe as
Element::parseAttribute() does nothing with xml:lang and xml:space. Please
mention this in the commit message.

     } else if (name == tabindexAttr) {
         Element::parseAttribute(name, value);
     } else {
         // standard events
         const AtomicString& eventName = HTMLElement::eventNameForAttributeName(name);
         if (!eventName.isNull())
             setAttributeEventListener(eventName, createAttributeEventListener(this, name, value, eventParameterName()));
         else
             Element::parseAttribute(name, value);
     }
@@ skipping 575 matching lines @@
     Element::trace(visitor);
 }
 
 const AtomicString& SVGElement::eventParameterName()
 {
     DEFINE_STATIC_LOCAL(const AtomicString, evtString, ("evt", AtomicString::ConstructFromLiteral));
     return evtString;
 }
 
 } // namespace blink