Introduce Element::AttributeModificationParams

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * 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 112 matching lines @@
       .executeScriptIfJavaScriptURL(scriptURL, this);
 }
 
 void HTMLFrameElementBase::frameOwnerPropertiesChanged() {
   // Don't notify about updates if contentFrame() is null, for example when
   // the subframe hasn't been created yet.
   if (contentFrame())
     document().frame()->loader().client()->didChangeFrameOwnerProperties(this);
 }
 
-void HTMLFrameElementBase::parseAttribute(const QualifiedName& name,
-                                          const AtomicString& oldValue,
-                                          const AtomicString& value) {
+void HTMLFrameElementBase::parseAttribute(
+    const AttributeModificationParams& params) {
+  const QualifiedName& name = params.name;
+  const AtomicString& value = params.newValue;
   if (name == srcdocAttr) {
     if (!value.isNull()) {
       setLocation(srcdocURL().getString());
     } else {
       const AtomicString& srcValue = fastGetAttribute(srcAttr);
       if (!srcValue.isNull())
         setLocation(stripLeadingAndTrailingHTMLSpaces(srcValue));
     }
   } else if (name == srcAttr && !fastHasAttribute(srcdocAttr)) {
     setLocation(stripLeadingAndTrailingHTMLSpaces(value));
   } else if (name == idAttr) {
     // Important to call through to base for the id attribute so the hasID bit
     // gets set.
-    HTMLFrameOwnerElement::parseAttribute(name, oldValue, value);
+    HTMLFrameOwnerElement::parseAttribute(params);
     m_frameName = value;
   } else if (name == nameAttr) {
     m_frameName = value;
   } else if (name == marginwidthAttr) {
     setMarginWidth(value.toInt());
   } else if (name == marginheightAttr) {
     setMarginHeight(value.toInt());
   } else if (name == scrollingAttr) {
     // Auto and yes both simply mean "allow scrolling." No means "don't allow
     // scrolling."
     if (equalIgnoringCase(value, "auto") || equalIgnoringCase(value, "yes"))
       setScrollingMode(ScrollbarAuto);
     else if (equalIgnoringCase(value, "no"))
       setScrollingMode(ScrollbarAlwaysOff);
   } else if (name == onbeforeunloadAttr) {
     // FIXME: should <frame> elements have beforeunload handlers?
     setAttributeEventListener(
         EventTypeNames::beforeunload,
         createAttributeEventListener(this, name, value, eventParameterName()));
   } else {
-    HTMLFrameOwnerElement::parseAttribute(name, oldValue, value);
+    HTMLFrameOwnerElement::parseAttribute(params);
   }
 }
 
 void HTMLFrameElementBase::setNameAndOpenURL() {
   m_frameName = getNameAttribute();
   openURL();
 }
 
 Node::InsertionNotificationRequest HTMLFrameElementBase::insertedInto(
     ContainerNode* insertionPoint) {
@@ skipping 107 matching lines @@
 
   if (contentDocument()) {
     contentDocument()->willChangeFrameOwnerProperties(
         m_marginWidth, marginHeight, m_scrollingMode);
   }
   m_marginHeight = marginHeight;
   frameOwnerPropertiesChanged();
 }
 
 }  // namespace blink