Drop findAttribute*ByName() API from Element

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 413 matching lines @@
         // true.
         toSVGElement(this)->synchronizeAnimatedSVGAttribute(QualifiedName(nullAtom, localName, nullAtom));
     }
 }
 
 const AtomicString& Element::getAttribute(const QualifiedName& name) const
 {
     if (!elementData())
         return nullAtom;
     synchronizeAttribute(name);
-    if (const Attribute* attribute = findAttributeByName(name))
+    if (const Attribute* attribute = attributes().find(name))
         return attribute->value();
     return nullAtom;
 }
 
 bool Element::shouldIgnoreAttributeCase() const
 {
     return isHTMLElement() && document().isHTMLDocument();
 }
 
 void Element::scrollIntoView(bool alignToTop)
@@ skipping 2179 matching lines @@
     ElementRareData& rareData = ensureElementRareData();
     if (!rareData.dataset())
         rareData.setDataset(DatasetDOMStringMap::create(this));
     return *rareData.dataset();
 }
 
 KURL Element::getURLAttribute(const QualifiedName& name) const
 {
 #if ASSERT_ENABLED
     if (elementData()) {
-        if (const Attribute* attribute = findAttributeByName(name))
+        if (const Attribute* attribute = attributes().find(name))
             ASSERT(isURLAttribute(*attribute));
     }
 #endif
     return document().completeURL(stripLeadingAndTrailingHTMLSpaces(getAttribute(name)));
 }
 
 KURL Element::getNonEmptyURLAttribute(const QualifiedName& name) const
 {
 #if ASSERT_ENABLED
     if (elementData()) {
-        if (const Attribute* attribute = findAttributeByName(name))
+        if (const Attribute* attribute = attributes().find(name))
             ASSERT(isURLAttribute(*attribute));
     }
 #endif
     String value = stripLeadingAndTrailingHTMLSpaces(getAttribute(name));
     if (value.isEmpty())
         return KURL();
     return document().completeURL(value);
 }
 
 int Element::getIntegralAttribute(const QualifiedName& attributeName) const
@@ skipping 697 matching lines @@
 
 void Element::trace(Visitor* visitor)
 {
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
     ContainerNode::trace(visitor);
 }
 
 } // namespace WebCore