Remove scroll corners and resizers.

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 495 matching lines @@
         result = beforeThumbRect;
     else if (part == ForwardTrackPart)
         result = afterThumbRect;
     else
         result = thumbRect;
 
     result.moveBy(-location());
     invalidateRect(result);
 }
 
-void Scrollbar::paintScrollCorner(GraphicsContext* context, const IntRect& cornerRect)
-{
-    if (cornerRect.isEmpty())
-        return;
-    blink::Platform::current()->themeEngine()->paint(context->canvas(), blink::WebThemeEngine::PartScrollbarCorner, blink::WebThemeEngine::StateNormal, blink::WebRect(cornerRect), 0);
-}
-
 bool Scrollbar::shouldCenterOnThumb(const PlatformMouseEvent& evt)
 {
     return blink::Platform::current()->scrollbarBehavior()->shouldCenterOnThumb(static_cast<blink::WebScrollbarBehavior::Button>(evt.button()), evt.shiftKey(), evt.altKey());
 }
 
 bool Scrollbar::shouldSnapBackToDragOrigin(const PlatformMouseEvent& evt)
 {
     IntPoint mousePosition = convertFromContainingView(evt.position());
     mousePosition.move(x(), y());
     return blink::Platform::current()->scrollbarBehavior()->shouldSnapBackToDragOrigin(mousePosition, trackRect(), orientation() == HorizontalScrollbar);
@@ skipping 91 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