Replace ASSERT_NOT_REACHED with NOTREACHED in core/layout/

third_party/WebKit/Source/core/layout/LayoutScrollbar.cpp

 /*
  * Copyright (C) 2008, 2009 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 195 matching lines @@
     case ThumbPart:
       return PseudoIdScrollbarThumb;
     case TrackBGPart:
       return PseudoIdScrollbarTrack;
     case ScrollbarBGPart:
       return PseudoIdScrollbar;
     case NoPart:
     case AllParts:
       break;
   }
-  ASSERT_NOT_REACHED();
+  NOTREACHED();
   return PseudoIdScrollbar;
 }
 
 void LayoutScrollbar::updateScrollbarPart(ScrollbarPart partType,
                                           bool destroy) {
   if (partType == NoPart)
     return;
 
   RefPtr<ComputedStyle> partStyle =
       !destroy
@@ skipping 161 matching lines @@
   }
 }
 
 void LayoutScrollbar::setVisualRect(const LayoutRect& rect) {
   Scrollbar::setVisualRect(rect);
   for (auto& part : m_parts)
     part.value->setVisualRect(rect);
 }
 
 }  // namespace blink