Introduce Element::AttributeModificationParams

third_party/WebKit/Source/core/html/HTMLLinkElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 44 matching lines @@
       m_relList(this, RelList::create(this)),
       m_createdByParser(createdByParser) {}
 
 HTMLLinkElement* HTMLLinkElement::create(Document& document,
                                          bool createdByParser) {
   return new HTMLLinkElement(document, createdByParser);
 }
 
 HTMLLinkElement::~HTMLLinkElement() {}
 
-void HTMLLinkElement::parseAttribute(const QualifiedName& name,
-                                     const AtomicString& oldValue,
-                                     const AtomicString& value) {
+void HTMLLinkElement::parseAttribute(
+    const AttributeModificationParams& params) {
+  const QualifiedName& name = params.name;
+  const AtomicString& value = params.newValue;
   if (name == relAttr) {
     m_relAttribute = LinkRelAttribute(value);
     m_relList->setRelValues(value);
     process();
   } else if (name == hrefAttr) {
     // Log href attribute before logging resource fetching in process().
-    logUpdateAttributeIfIsolatedWorldAndInDocument("link", hrefAttr, oldValue,
-                                                   value);
+    logUpdateAttributeIfIsolatedWorldAndInDocument("link", params);
     process();
   } else if (name == typeAttr) {
     m_type = value;
     process();
   } else if (name == asAttr) {
     m_as = value;
     process();
   } else if (name == referrerpolicyAttr) {
     m_referrerPolicy = ReferrerPolicyDefault;
     if (!value.isNull())
       SecurityPolicy::referrerPolicyFromString(value, &m_referrerPolicy);
   } else if (name == sizesAttr) {
     m_sizes->setValue(value);
   } else if (name == mediaAttr) {
     m_media = value.lower();
     process();
   } else if (name == scopeAttr) {
     m_scope = value;
     process();
   } else if (name == disabledAttr) {
     UseCounter::count(document(), UseCounter::HTMLLinkElementDisabled);
     if (LinkStyle* link = linkStyle())
       link->setDisabledState(!value.isNull());
   } else {
     if (name == titleAttr) {
       if (LinkStyle* link = linkStyle())
         link->setSheetTitle(value);
     }
 
-    HTMLElement::parseAttribute(name, oldValue, value);
+    HTMLElement::parseAttribute(params);
   }
 }
 
 bool HTMLLinkElement::shouldLoadLink() {
   return isInDocumentTree() || (isConnected() && m_relAttribute.isStyleSheet());
 }
 
 bool HTMLLinkElement::loadLink(const String& type,
                                const String& as,
                                const String& media,
@@ skipping 242 matching lines @@
   LinkLoaderClient::trace(visitor);
   DOMTokenListObserver::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(HTMLLinkElement) {
   visitor->traceWrappers(m_relList);
   HTMLElement::traceWrappers(visitor);
 }
 
 }  // namespace blink