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

Source/core/accessibility/AccessibilityObject.h

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * 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.
@@ skipping 14 matching lines @@
  * 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.
  */
 
 #ifndef AccessibilityObject_h
 #define AccessibilityObject_h
 
 #include "core/editing/TextIterator.h"
 #include "core/editing/VisiblePosition.h"
-#include "core/editing/VisibleSelection.h"
 #include "core/platform/graphics/FloatQuad.h"
 #include "core/platform/graphics/LayoutRect.h"
-#include <wtf/Forward.h>
-#include <wtf/RefPtr.h>
-#include <wtf/Vector.h>
+#include "wtf/Forward.h"
+#include "wtf/RefPtr.h"
+#include "wtf/Vector.h"
 
 namespace WebCore {
 
 class AccessibilityObject;
 class AXObjectCache;
 class Element;
 class Frame;
 class FrameView;
 class HTMLAnchorElement;
 class HTMLAreaElement;
@@ skipping 506 matching lines @@
 #if !HAVE(ACCESSIBILITY)
 inline const AccessibilityObject::AccessibilityChildrenVector& AccessibilityObject::children() { return m_children; }
 inline String AccessibilityObject::actionVerb() const { return emptyString(); }
 inline int AccessibilityObject::lineForPosition(const VisiblePosition&) const { return -1; }
 inline void AccessibilityObject::updateBackingStore() { }
 #endif
 
 } // namespace WebCore
 
 #endif // AccessibilityObject_h