Remove unused includes from various .cpp files in core/

Source/core/page/ContextMenuController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Igalia S.L
  *
  * 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 11 matching lines @@
  * 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/page/ContextMenuController.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Event.h"
-#include "core/dom/EventNames.h"
 #include "core/dom/MouseEvent.h"
 #include "core/dom/Node.h"
-#include "core/editing/FrameSelection.h"
 #include "core/page/ContextMenuClient.h"
 #include "core/page/ContextMenuProvider.h"
 #include "core/page/EventHandler.h"
 #include "core/page/Frame.h"
-#include "core/page/Page.h"
 #include "core/platform/ContextMenu.h"
 #include "core/platform/ContextMenuItem.h"
 #include "core/rendering/HitTestResult.h"
 
 namespace WebCore {
 
 ContextMenuController::ContextMenuController(Page* page, ContextMenuClient* client)
     : m_page(page)
     , m_client(client)
 {
@@ skipping 73 matching lines @@
     ASSERT(item->type() == ActionType || item->type() == CheckableActionType);
 
     if (item->action() < ContextMenuItemBaseCustomTag || item->action() > ContextMenuItemLastCustomTag)
         return;
 
     ASSERT(m_menuProvider);
     m_menuProvider->contextMenuItemSelected(item);
 }
 
 } // namespace WebCore