Revert removal of events

Source/core/platform/chromium/PopupListBox.h

 /*
  * 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 35 matching lines @@
 static const int kMinEndOfLinePadding = 2;
 static const int kTextToLabelPadding = 10;
 static const TimeStamp kTypeAheadTimeoutMs = 1000;
 
 class Font;
 class GraphicsContext;
 class IntRect;
 class PlatformKeyboardEvent;
 class PlatformMouseEvent;
 class PlatformGestureEvent;
+#if ENABLE(TOUCH_EVENTS)
 class PlatformTouchEvent;
+#endif
 class PlatformWheelEvent;
 class PopupMenuClient;
 
 struct PopupContainerSettings {
     // Whether the PopupMenuClient should be told to change its text when a
     // new item is selected by using the arrow keys.
     bool setTextOnIndexChange;
 
     // Whether the selection should be accepted when the popup menu is
     // closed (through ESC being pressed or the focus going away).
@@ skipping 56 matching lines @@
         return adoptRef(new PopupListBox(client, settings));
     }
 
     // FramelessScrollView
     virtual void paint(GraphicsContext*, const IntRect&);
     virtual bool handleMouseDownEvent(const PlatformMouseEvent&);
     virtual bool handleMouseMoveEvent(const PlatformMouseEvent&);
     virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&);
     virtual bool handleWheelEvent(const PlatformWheelEvent&);
     virtual bool handleKeyEvent(const PlatformKeyboardEvent&);
+#if ENABLE(TOUCH_EVENTS)
     virtual bool handleTouchEvent(const PlatformTouchEvent&);
+#endif
     virtual bool handleGestureEvent(const PlatformGestureEvent&);
 
     // ScrollView
     virtual HostWindow* hostWindow() const;
 
     // PopupListBox methods
 
     // Hides the popup.
     void hidePopup();
 
@@ skipping 155 matching lines @@
     int m_maxWindowWidth;
 
     // To forward last mouse release event.
     RefPtr<Node> m_focusedNode;
 
 };
 
 } // namespace WebCore
 
 #endif