Use fastGetAttribute in more places

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 1253 matching lines @@
     }
 
     if (Element* parent = parentElement())
         return parent->locateNamespacePrefix(namespaceToLocate);
 
     return nullAtom;
 }
 
 KURL Element::baseURI() const
 {
-    const AtomicString& baseAttribute = getAttribute(baseAttr);
+    const AtomicString& baseAttribute = fastGetAttribute(baseAttr);
     KURL base(KURL(), baseAttribute);
     if (!base.protocol().isEmpty())
         return base;
 
     ContainerNode* parent = parentNode();
     if (!parent)
         return base;
 
     const KURL& parentBase = parent->baseURI();
     if (parentBase.isNull())
@@ skipping 1658 matching lines @@
 }
 
 void Element::webkitRequestPointerLock()
 {
     if (document().page())
         document().page()->pointerLockController().requestPointerLock(this);
 }
 
 SpellcheckAttributeState Element::spellcheckAttributeState() const
 {
-    const AtomicString& value = getAttribute(HTMLNames::spellcheckAttr);
+    const AtomicString& value = fastGetAttribute(spellcheckAttr);
     if (value == nullAtom)
         return SpellcheckAttributeDefault;
     if (equalIgnoringCase(value, "true") || equalIgnoringCase(value, ""))
         return SpellcheckAttributeTrue;
     if (equalIgnoringCase(value, "false"))
         return SpellcheckAttributeFalse;
 
     return SpellcheckAttributeDefault;
 }
 
@@ skipping 651 matching lines @@
     // Before doing so, we need to resolve issues in HTMLSelectElement::recalcListItems
     // and RenderMenuList::setText. See also https://bugs.webkit.org/show_bug.cgi?id=88405
     if (hasTagName(optionTag) || hasTagName(optgroupTag))
         return false;
     if (FullscreenElementStack::isActiveFullScreenElement(this))
         return false;
     return true;
 }
 
 } // namespace WebCore