Remove GestureScrollUpdateWithoutPropagation event (blink)

Source/core/rendering/RenderLayerScrollableArea.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 1320 matching lines @@
     IntPoint pos;
     const PlatformGestureEvent* gevt = 0;
 
     switch (evt.type()) {
     case PlatformEvent::MouseMoved:
         if (!document.frame()->eventHandler().mousePressed())
             return;
         pos = static_cast<const PlatformMouseEvent*>(&evt)->position();
         break;
     case PlatformEvent::GestureScrollUpdate:
-    case PlatformEvent::GestureScrollUpdateWithoutPropagation:
         pos = static_cast<const PlatformGestureEvent*>(&evt)->position();
         gevt = static_cast<const PlatformGestureEvent*>(&evt);
         pos = gevt->position();
         pos.move(gevt->deltaX(), gevt->deltaY());
         break;
     default:
         ASSERT_NOT_REACHED();
     }
 
     float zoomFactor = box().style()->effectiveZoom();
@@ skipping 136 matching lines @@
 void RenderLayerScrollableArea::setTopmostScrollChild(RenderLayer* scrollChild)
 {
     // We only want to track the topmost scroll child for scrollable areas with
     // overlay scrollbars.
     if (!hasOverlayScrollbars())
         return;
     m_nextTopmostScrollChild = scrollChild;
 }
 
 } // namespace blink