Introduce Element::AttributeModificationParams

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

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 45 matching lines @@
       break;
     case NoControlPart:
       UseCounter::count(document(), UseCounter::MeterElementWithNoneAppearance);
       break;
     default:
       break;
   }
   return LabelableElement::createLayoutObject(style);
 }
 
-void HTMLMeterElement::parseAttribute(const QualifiedName& name,
-                                      const AtomicString& oldValue,
-                                      const AtomicString& value) {
+void HTMLMeterElement::parseAttribute(
+    const AttributeModificationParams& params) {
+  const QualifiedName& name = params.name;
   if (name == valueAttr || name == minAttr || name == maxAttr ||
       name == lowAttr || name == highAttr || name == optimumAttr)
     didElementStateChange();
   else
-    LabelableElement::parseAttribute(name, oldValue, value);
+    LabelableElement::parseAttribute(params);
 }
 
 double HTMLMeterElement::value() const {
   double value = getFloatingPointAttribute(valueAttr, 0);
   return std::min(std::max(value, min()), max());
 }
 
 void HTMLMeterElement::setValue(double value) {
   setFloatingPointAttribute(valueAttr, value);
 }
@@ skipping 137 matching lines @@
   document().updateStyleAndLayoutTreeForNode(this);
   return computedStyle() && !computedStyle()->hasAppearance();
 }
 
 DEFINE_TRACE(HTMLMeterElement) {
   visitor->trace(m_value);
   LabelableElement::trace(visitor);
 }
 
 }  // namespace blink