Make DOMImplementation.hasFeature() always return true.

Source/core/svg/SVGTests.cpp

 /*
  * Copyright (C) 2004, 2005, 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 39 matching lines @@
 }
 
 bool SVGTests::hasExtension(const String&)
 {
     // FIXME: Implement me!
     return false;
 }
 
 bool SVGTests::isValid(Document& document) const
 {
-    if (m_requiredFeatures->isSpecified()) {
-        const Vector<String>& requiredFeatures = m_requiredFeatures->value()->values();
-        Vector<String>::const_iterator it = requiredFeatures.begin();
-        Vector<String>::const_iterator itEnd = requiredFeatures.end();
-        for (; it != itEnd; ++it) {
-            if (it->isEmpty())
-                return false;
-            if (!DOMImplementation::hasFeature(*it, String())) {
-                UseCounter::count(document, UseCounter::DOMImplementationHasFeatureReturnFalseInternal);
-                return false;
-            }
-        }
-    }
+    // No need to check requiredFeatures since hasFeature always returns true.
 
     if (m_systemLanguage->isSpecified()) {
         bool matchFound = false;
 
         const Vector<String>& systemLanguage = m_systemLanguage->value()->values();
         Vector<String>::const_iterator it = systemLanguage.begin();
         Vector<String>::const_iterator itEnd = systemLanguage.end();
         for (; it != itEnd; ++it) {
             if (*it == defaultLanguage().string().substring(0, 2)) {
                 matchFound = true;
@@ skipping 39 matching lines @@
 }
 
 void SVGTests::addSupportedAttributes(HashSet<QualifiedName>& supportedAttributes)
 {
     supportedAttributes.add(SVGNames::requiredFeaturesAttr);
     supportedAttributes.add(SVGNames::requiredExtensionsAttr);
     supportedAttributes.add(SVGNames::systemLanguageAttr);
 }
 
 }