Remove duplicated headers

Source/web/PopupContainer.cpp

 /*
  * Copyright (c) 2011, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 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.
  */
 
 #include "config.h"
 #include "PopupContainer.h"
 
-#include "PopupListBox.h"
 #include "core/dom/Document.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/frame/Frame.h"
 #include "core/frame/FrameView.h"
 #include "core/page/Page.h"
 #include "core/platform/PopupMenuClient.h"
-#include "core/platform/chromium/FramelessScrollView.h"
 #include "core/platform/chromium/FramelessScrollViewClient.h"
 #include "core/platform/graphics/GraphicsContext.h"
 #include "platform/PlatformGestureEvent.h"
 #include "platform/PlatformKeyboardEvent.h"
 #include "platform/PlatformMouseEvent.h"
 #include "platform/PlatformScreen.h"
 #include "platform/PlatformTouchEvent.h"
 #include "platform/PlatformWheelEvent.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/geometry/IntRect.h"
@@ skipping 400 matching lines @@
 
 String PopupContainer::getSelectedItemToolTip()
 {
     // We cannot use m_popupClient->selectedIndex() to choose tooltip message,
     // because the selectedIndex() might return final selected index, not
     // hovering selection.
     return listBox()->m_popupClient->itemToolTip(listBox()->m_selectedIndex);
 }
 
 } // namespace WebCore