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

Source/core/dom/EventDispatcher.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 10 matching lines @@
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef EventDispatcher_h
 #define EventDispatcher_h
 
 #include "core/dom/EventContext.h"
 #include "core/dom/SimulatedClickOptions.h"
-#include <wtf/Forward.h>
-#include <wtf/HashMap.h>
-#include <wtf/PassRefPtr.h>
-#include <wtf/Vector.h>
+#include "wtf/Forward.h"
+#include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
 class Event;
 class EventDispatchMediator;
 class EventTarget;
 class FrameView;
 class Node;
 class PlatformKeyboardEvent;
 class PlatformMouseEvent;
@@ skipping 31 matching lines @@
     RefPtr<Event> m_event;
     RefPtr<FrameView> m_view;
 #ifndef NDEBUG
     bool m_eventDispatched;
 #endif
 };
 
 }
 
 #endif