Delete some noop and dead scrollbar code.

sky/engine/platform/scroll/Scrollbar.cpp

 /*
  * Copyright (C) 2004, 2006, 2008 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 44 matching lines @@
     , m_orientation(orientation)
     , m_visibleSize(0)
     , m_totalSize(0)
     , m_currentPos(0)
     , m_dragOrigin(0)
     , m_hoveredPart(NoPart)
     , m_pressedPart(NoPart)
     , m_pressedPos(0)
     , m_scrollPos(0)
     , m_documentDragPos(0)
-    , m_enabled(true)
     , m_scrollTimer(this, &Scrollbar::autoscrollTimerFired)
     , m_overlapsResizer(false)
 {
     // FIXME: This is ugly and would not be necessary if we fix cross-platform code to actually query for
     // scrollbar thickness and use it when sizing scrollbars (rather than leaving one dimension of the scrollbar
     // alone when sizing).
     int thickness = scrollbarThickness();
     Widget::setFrameRect(IntRect(0, 0, thickness, thickness));
 
     m_currentPos = scrollableAreaCurrentPos();
 }
 
 Scrollbar::~Scrollbar()
 {
     stopTimerIfNeeded();
 }
 
-ScrollbarOverlayStyle Scrollbar::scrollbarOverlayStyle() const
-{
-    return m_scrollableArea ? m_scrollableArea->scrollbarOverlayStyle() : ScrollbarOverlayStyleDefault;
-}
-
 bool Scrollbar::isScrollableAreaActive() const
 {
     return m_scrollableArea && m_scrollableArea->isActive();
 }
 
 bool Scrollbar::isLeftSideVerticalScrollbar() const
 {
     if (m_orientation == VerticalScrollbar && m_scrollableArea)
         return m_scrollableArea->shouldPlaceVerticalScrollbarOnLeft();
     return false;
@@ skipping 265 matching lines @@
     int pressedPos = orientation() == HorizontalScrollbar ? convertFromContainingView(evt.position()).x() : convertFromContainingView(evt.position()).y();
 
     if (m_pressedPart == ThumbPart)
         m_dragOrigin = m_currentPos;
 
     m_pressedPos = pressedPos;
 
     autoscrollPressedPart(initialAutoscrollTimerDelay());
 }
 
-void Scrollbar::setEnabled(bool e)
-{
-    if (m_enabled == e)
-        return;
-    m_enabled = e;
-    invalidate();
-}
-
 bool Scrollbar::isOverlayScrollbar() const
 {
     // FIXME(sky): Remove
     return true;
 }
 
 bool Scrollbar::shouldParticipateInHitTesting()
 {
     // Non-overlay scrollbars should always participate in hit testing.
     if (!isOverlayScrollbar())
@@ skipping 141 matching lines @@
         thumbRect.setWidth(thumbRect.width() - kScrollbarMargin);
         if (isLeftSideVerticalScrollbar())
             thumbRect.setX(thumbRect.x() + kScrollbarMargin);
     }
 
     DEFINE_STATIC_LOCAL(Color, color, (128, 128, 128, 128));
     context->fillRect(thumbRect, color);
 }
 
 } // namespace blink