Remove ~1750 superfluous includes from core

Source/core/platform/chromium/PopupListBox.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 15 matching lines @@
  * 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 "core/platform/chromium/PopupListBox.h"
 
 #include <ctype.h>
 #include <limits>
 #include "CSSValueKeywords.h"
-#include "RuntimeEnabledFeatures.h"
-#include "core/platform/PlatformGestureEvent.h"
 #include "core/platform/PlatformKeyboardEvent.h"
 #include "core/platform/PlatformMouseEvent.h"
-#include "core/platform/PlatformScreen.h"
-#include "core/platform/PlatformTouchEvent.h"
 #include "core/platform/PlatformWheelEvent.h"
 #include "core/platform/PopupMenuClient.h"
 #include "core/platform/ScrollbarTheme.h"
 #include "core/platform/chromium/FramelessScrollViewClient.h"
 #include "core/platform/chromium/KeyboardCodes.h"
 #include "core/platform/chromium/PopupContainer.h"
 #include "core/platform/chromium/PopupMenuChromium.h"
 #include "core/platform/graphics/Font.h"
 #include "core/platform/graphics/FontSelector.h"
 #include "core/platform/graphics/GraphicsContext.h"
@@ skipping 861 matching lines @@
 {
     return numItems() && IntRect(0, 0, width(), height()).contains(point);
 }
 
 int PopupListBox::popupContentHeight() const
 {
     return height();
 }
 
 } // namespace WebCore