Use new is*Element() helper functions in DOM code

Source/core/dom/PresentationAttributeStyle.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/dom/PresentationAttributeStyle.h"
 
-#include "HTMLNames.h"
 #include "core/css/StylePropertySet.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/Element.h"
+#include "core/html/HTMLInputElement.h"
 #include "wtf/HashFunctions.h"
 #include "wtf/HashMap.h"
 #include "wtf/text/CString.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 struct PresentationAttributeCacheKey {
     PresentationAttributeCacheKey() : tagName(0) { }
@@ skipping 66 matching lines @@
     // Sort based on the attribute name pointers. It doesn't matter what the order is as long as it is always the same.
     return p1.first < p2.first;
 }
 
 static void makePresentationAttributeCacheKey(Element& element, PresentationAttributeCacheKey& result)
 {
     // FIXME: Enable for SVG.
     if (!element.isHTMLElement())
         return;
     // Interpretation of the size attributes on <input> depends on the type attribute.
-    if (element.hasTagName(inputTag))
+    if (isHTMLInputElement(element))
         return;
     unsigned size = element.attributeCount();
     for (unsigned i = 0; i < size; ++i) {
         const Attribute& attribute = element.attributeItem(i);
         if (!element.isPresentationAttribute(attribute.name()))
             continue;
         if (!attribute.namespaceURI().isNull())
             return;
         // FIXME: Background URL may depend on the base URL and can't be shared. Disallow caching.
         if (attribute.name() == backgroundAttr)
@@ skipping 64 matching lines @@
         presentationAttributeCache().clear();
         presentationAttributeCache().set(cacheHash, newEntry.release());
     } else {
         cacheValue->value = newEntry.release();
     }
 
     return style.release();
 }
 
 } // namespace WebCore