Remove unused includes from core/accessibility, core/css and core/dom

Source/core/accessibility/AccessibilityNodeObject.cpp

 /*
 * Copyright (C) 2012, 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:
 *
 * 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
@@ skipping 15 matching lines @@
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #include "config.h"
 #include "core/accessibility/AccessibilityNodeObject.h"
 
 #include "core/accessibility/AXObjectCache.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/Text.h"
 #include "core/dom/UserGestureIndicator.h"
-#include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLLabelElement.h"
 #include "core/html/HTMLSelectElement.h"
 #include "core/html/HTMLTextAreaElement.h"
-#include <wtf/StdLibExtras.h>
-#include <wtf/text/StringBuilder.h>
-#include <wtf/unicode/CharacterNames.h>
+#include "wtf/text/StringBuilder.h"
 
 using namespace std;
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 AccessibilityNodeObject::AccessibilityNodeObject(Node* node)
     : AccessibilityObject()
     , m_ariaRole(UnknownRole)
@@ skipping 1567 matching lines @@
         useTextUnderElement = true;
 
     if (useTextUnderElement) {
         String text = textUnderElement();
         if (!text.isEmpty())
             textOrder.append(AccessibilityText(text, ChildrenText));
     }
 }
 
 } // namespace WebCore