Remove ~1750 superfluous includes from core

Source/core/platform/chromium/KeyCodeConversionGtk.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
  * Copyright (C) 2007 Holger Hans Peter Freyther
  * Copyright (C) 2008 Collabora, Ltd.  All rights reserved.
  * Copyright (C) 2008, 2009 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 12 matching lines @@
  * 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.
  */
 
 // windowsKeyCodeForKeyEvent is copied from platform/gtk/KeyEventGtk.cpp
 
 #include "config.h"
-#include "core/platform/chromium/KeyCodeConversion.h"
 
 #include "core/platform/chromium/KeyboardCodes.h"
 
 #include <gdk/gdkkeysyms.h>
 
 namespace WebCore {
 
 int windowsKeyCodeForKeyEvent(unsigned keycode)
 {
     switch (keycode) {
@@ skipping 383 matching lines @@
     case GDK_F22:
     case GDK_F23:
     case GDK_F24:
         return VKEY_F1 + (keycode - GDK_F1);
     default:
         return 0;
     }
 }
 
 } // namespace WebCore