Revert removal of events

Source/core/platform/chromium/FramelessScrollView.h

 /*
  * Copyright (c) 2008, 2009, 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 21 matching lines @@
 #define FramelessScrollView_h
 
 #include "ScrollView.h"
 
 namespace WebCore {
 
     class FramelessScrollViewClient;
     class PlatformGestureEvent;
     class PlatformKeyboardEvent;
     class PlatformMouseEvent;
+#if ENABLE(TOUCH_EVENTS)
     class PlatformTouchEvent;
+#endif
     class PlatformWheelEvent;
 
     // A FramelessScrollView is a ScrollView that can be used to render custom
     // content, which does not have an associated Frame.
     //
     // NOTE: It may be better to just develop a custom subclass of Widget that
     // can have scroll bars for this instead of trying to reuse ScrollView.
     //
     class FramelessScrollView : public ScrollView {
     public:
         FramelessScrollView() : m_client(0) {}
         ~FramelessScrollView();
 
         FramelessScrollViewClient* client() const { return m_client; }
         void setClient(FramelessScrollViewClient* client) { m_client = client; }
 
         // Event handlers that subclasses must implement.
         virtual bool handleMouseDownEvent(const PlatformMouseEvent&) = 0;
         virtual bool handleMouseMoveEvent(const PlatformMouseEvent&) = 0;
         virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&) = 0;
         virtual bool handleWheelEvent(const PlatformWheelEvent&) = 0;
         virtual bool handleKeyEvent(const PlatformKeyboardEvent&) = 0;
+#if ENABLE(TOUCH_EVENTS)
         virtual bool handleTouchEvent(const PlatformTouchEvent&) = 0;
+#endif
         virtual bool handleGestureEvent(const PlatformGestureEvent&) = 0;
 
         // ScrollableArea public methods:
         virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) OVERRIDE;
         virtual bool isActive() const OVERRIDE;
         virtual ScrollableArea* enclosingScrollableArea() const OVERRIDE;
         virtual bool scrollbarsCanBeActive() const OVERRIDE;
         virtual IntRect scrollableAreaBoundingBox() const OVERRIDE;
 
         // Widget public methods:
         virtual void invalidateRect(const IntRect&);
 
         // ScrollView public methods:
         virtual HostWindow* hostWindow() const;
         virtual IntRect windowClipRect(bool clipToContents = true) const;
 
     protected:
         // ScrollView protected methods:
         virtual void paintContents(GraphicsContext*, const IntRect&);
         virtual void contentsResized();
         virtual void visibleContentsResized();
 
     private:
         FramelessScrollViewClient* m_client;
     };
 
 } // namespace WebCore
 
 #endif