Remove attributeCount() / attributeAt() API from Element

Source/core/editing/ApplyStyleCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2008, 2009 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 66 matching lines @@
     if (!element->hasAttributes())
         return true;
 
     unsigned matchedAttributes = 0;
     if (element->getAttribute(classAttr) == styleSpanClassString())
         matchedAttributes++;
     if (element->hasAttribute(styleAttr) && (shouldStyleAttributeBeEmpty == AllowNonEmptyStyleAttribute
         || !element->inlineStyle() || element->inlineStyle()->isEmpty()))
         matchedAttributes++;
 
-    ASSERT(matchedAttributes <= element->attributeCount());
-    return matchedAttributes == element->attributeCount();
+    ASSERT(matchedAttributes <= element->attributes().size());
+    return matchedAttributes == element->attributes().size();
 }
 
 bool isStyleSpanOrSpanWithOnlyStyleAttribute(const Element* element)
 {
     if (!isHTMLSpanElement(element))
         return false;
     return hasNoAttributeOrOnlyStyleAttribute(toHTMLElement(element), AllowNonEmptyStyleAttribute);
 }
 
 static inline bool isSpanWithoutAttributesOrUnstyledStyleSpan(const Node* node)
@@ skipping 1473 matching lines @@
 void ApplyStyleCommand::trace(Visitor* visitor)
 {
     visitor->trace(m_style);
     visitor->trace(m_start);
     visitor->trace(m_end);
     visitor->trace(m_styledInlineElement);
     CompositeEditCommand::trace(visitor);
 }
 
 }