Remove ScrollableArea and Scrollbar

sky/engine/core/page/EventHandler.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2010, 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 40 matching lines @@
 class FloatPoint;
 class FloatQuad;
 class HitTestRequest;
 class HitTestResult;
 class KeyboardEvent;
 class LocalFrame;
 class Node;
 class OptionalCursor;
 class RenderLayer;
 class RenderObject;
-class ScrollableArea;
-class Scrollbar;
 class TextEvent;
 class VisibleSelection;
 class Widget;
 
 enum AppendTrailingWhitespace { ShouldAppendTrailingWhitespace, DontAppendTrailingWhitespace };
 enum CheckDragHysteresis { ShouldCheckDragHysteresis, DontCheckDragHysteresis };
 
 class EventHandler {
     WTF_MAKE_NONCOPYABLE(EventHandler);
 public:
@@ skipping 35 matching lines @@
     OptionalCursor selectCursor(const HitTestResult&);
     OptionalCursor selectAutoCursor(const HitTestResult&, Node*, const Cursor& iBeam);
 
     void hoverTimerFired(Timer<EventHandler>*);
     void cursorUpdateTimerFired(Timer<EventHandler>*);
     void activeIntervalTimerFired(Timer<EventHandler>*);
 
     bool isCursorVisible() const;
     void updateCursor();
 
-    bool isInsideScrollbar(const IntPoint&) const;
-
     // Scrolls the elements of the DOM tree. Returns true if a node was scrolled.
     // False if we reached the root and couldn't scroll anything.
     // direction - The direction to scroll in. If this is a logicl direction, it will be
     //             converted to the physical direction based on a node's writing mode.
     // granularity - The units that the  scroll delta parameter is in.
     // startNode - The node to start bubbling the scroll from. If a node can't scroll,
     //             the scroll bubbles up to the containing block.
     // stopNode - On input, if provided and non-null, the node at which we should stop bubbling on input.
     //            On output, if provided and a node was scrolled stopNode will point to that node.
     // delta - The delta to scroll by, in the units of the granularity parameter. (e.g. pixels, lines, pages, etc.)
@@ skipping 36 matching lines @@
     bool m_didStartDrag;
 
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     RefPtr<Element> m_lastDeferredTapElement;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_PAGE_EVENTHANDLER_H_