Introduce Element::AttributeModificationParams

third_party/WebKit/Source/core/html/HTMLStyleElement.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, 2010 Apple Inc. All rights reserved.
  *           (C) 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
@@ skipping 31 matching lines @@
       m_firedLoad(false),
       m_loadedSheet(false) {}
 
 HTMLStyleElement::~HTMLStyleElement() {}
 
 HTMLStyleElement* HTMLStyleElement::create(Document& document,
                                            bool createdByParser) {
   return new HTMLStyleElement(document, createdByParser);
 }
 
-void HTMLStyleElement::parseAttribute(const QualifiedName& name,
-                                      const AtomicString& oldValue,
-                                      const AtomicString& value) {
-  if (name == titleAttr && m_sheet && isInDocumentTree()) {
-    m_sheet->setTitle(value);
-  } else if (name == mediaAttr && isConnected() && document().isActive() &&
-             m_sheet) {
-    m_sheet->setMediaQueries(MediaQuerySet::create(value));
+void HTMLStyleElement::parseAttribute(
+    const AttributeModificationParams& params) {
+  if (params.name == titleAttr && m_sheet && isInDocumentTree()) {
+    m_sheet->setTitle(params.newValue);
+  } else if (params.name == mediaAttr && isConnected() &&
+             document().isActive() && m_sheet) {
+    m_sheet->setMediaQueries(MediaQuerySet::create(params.newValue));
     document().styleEngine().mediaQueriesChangedInScope(treeScope());
   } else {
-    HTMLElement::parseAttribute(name, oldValue, value);
+    HTMLElement::parseAttribute(params);
   }
 }
 
 void HTMLStyleElement::finishParsingChildren() {
   StyleElement::ProcessingResult result =
       StyleElement::finishParsingChildren(*this);
   HTMLElement::finishParsingChildren();
   if (result == StyleElement::ProcessingFatalError)
     notifyLoadedSheetAndAllCriticalSubresources(
         ErrorOccurredLoadingSubresource);
@@ skipping 65 matching lines @@
   if (CSSStyleSheet* styleSheet = sheet())
     styleSheet->setDisabled(setDisabled);
 }
 
 DEFINE_TRACE(HTMLStyleElement) {
   StyleElement::trace(visitor);
   HTMLElement::trace(visitor);
 }
 
 }  // namespace blink