Remove support for the externalResourcesRequired attribute.

Source/core/svg/SVGTextContentElement.h

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef SVGTextContentElement_h
 #define SVGTextContentElement_h
 
 #include "core/svg/SVGAnimatedBoolean.h"
 #include "core/svg/SVGAnimatedEnumeration.h"
 #include "core/svg/SVGAnimatedLength.h"
-#include "core/svg/SVGExternalResourcesRequired.h"
 #include "core/svg/SVGGraphicsElement.h"
 
 namespace WebCore {
 
 class ExceptionState;
 
 enum SVGLengthAdjustType {
     SVGLengthAdjustUnknown,
     SVGLengthAdjustSpacing,
     SVGLengthAdjustSpacingAndGlyphs
@@ skipping 21 matching lines @@
     static SVGLengthAdjustType fromString(const String& value)
     {
         if (value == "spacingAndGlyphs")
             return SVGLengthAdjustSpacingAndGlyphs;
         if (value == "spacing")
             return SVGLengthAdjustSpacing;
         return SVGLengthAdjustUnknown;
     }
 };
 
-class SVGTextContentElement : public SVGGraphicsElement,
-                              public SVGExternalResourcesRequired {
+class SVGTextContentElement : public SVGGraphicsElement {
 public:
     // Forward declare enumerations in the W3C naming scheme, for IDL generation.
     enum {
         LENGTHADJUST_UNKNOWN = SVGLengthAdjustUnknown,
         LENGTHADJUST_SPACING = SVGLengthAdjustSpacing,
         LENGTHADJUST_SPACINGANDGLYPHS = SVGLengthAdjustSpacingAndGlyphs
     };
 
     unsigned getNumberOfChars();
     float getComputedTextLength();
@@ skipping 30 matching lines @@
     virtual bool isTextContent() const { return true; }
 
     // Custom 'textLength' property
     static void synchronizeTextLength(SVGElement* contextElement);
     static PassRefPtr<SVGAnimatedProperty> lookupOrCreateTextLengthWrapper(SVGElement* contextElement);
     mutable SVGSynchronizableAnimatedProperty<SVGLength> m_textLength;
     SVGLength m_specifiedTextLength;
 
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGTextContentElement)
         DECLARE_ANIMATED_ENUMERATION(LengthAdjust, lengthAdjust, SVGLengthAdjustType)
-        DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
     END_DECLARE_ANIMATED_PROPERTIES
 };
 
 inline SVGTextContentElement* toSVGTextContentElement(SVGElement* element)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!element || element->isTextContent());
     return static_cast<SVGTextContentElement*>(element);
 }
 
 } // namespace WebCore
 
 #endif