Introduce Element::AttributeModificationParams

third_party/WebKit/Source/core/svg/SVGScriptElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 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 24 matching lines @@
     : SVGElement(SVGNames::scriptTag, document),
       SVGURIReference(this),
       m_loader(
           ScriptLoader::create(this, wasInsertedByParser, alreadyStarted)) {}
 
 SVGScriptElement* SVGScriptElement::create(Document& document,
                                            bool insertedByParser) {
   return new SVGScriptElement(document, insertedByParser, false);
 }
 
-void SVGScriptElement::parseAttribute(const QualifiedName& name,
-                                      const AtomicString& oldValue,
-                                      const AtomicString& value) {
-  if (name == HTMLNames::onerrorAttr)
+void SVGScriptElement::parseAttribute(
+    const AttributeModificationParams& params) {
+  if (params.name == HTMLNames::onerrorAttr) {
     setAttributeEventListener(
         EventTypeNames::error,
-        createAttributeEventListener(this, name, value, eventParameterName()));
-  else
-    SVGElement::parseAttribute(name, oldValue, value);
+        createAttributeEventListener(this, params.name, params.newValue,
+                                     eventParameterName()));
+  } else {
+    SVGElement::parseAttribute(params);
+  }
 }
 
 void SVGScriptElement::svgAttributeChanged(const QualifiedName& attrName) {
   if (SVGURIReference::isKnownAttribute(attrName)) {
     SVGElement::InvalidationGuard invalidationGuard(this);
     m_loader->handleSourceAttribute(hrefString());
     return;
   }
 
   SVGElement::svgAttributeChanged(attrName);
@@ skipping 88 matching lines @@
 }
 #endif
 
 DEFINE_TRACE(SVGScriptElement) {
   visitor->trace(m_loader);
   SVGElement::trace(visitor);
   SVGURIReference::trace(visitor);
 }
 
 }  // namespace blink