Replace ASSERT_NOT_REACHED with NOTREACHED in platform/

third_party/WebKit/Source/platform/scroll/ScrollbarTheme.cpp

 /*
  * Copyright (C) 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 408 matching lines @@
   switch (part) {
     case kBackButtonStartPart:
       return DisplayItem::kScrollbarBackButtonStart;
     case kBackButtonEndPart:
       return DisplayItem::kScrollbarBackButtonEnd;
     case kForwardButtonStartPart:
       return DisplayItem::kScrollbarForwardButtonStart;
     case kForwardButtonEndPart:
       return DisplayItem::kScrollbarForwardButtonEnd;
     default:
-      ASSERT_NOT_REACHED();
+      NOTREACHED();
       return DisplayItem::kScrollbarBackButtonStart;
   }
 }
 
 DisplayItem::Type ScrollbarTheme::TrackPiecePartToDisplayItemType(
     ScrollbarPart part) {
   switch (part) {
     case kBackTrackPart:
       return DisplayItem::kScrollbarBackTrack;
     case kForwardTrackPart:
       return DisplayItem::kScrollbarForwardTrack;
     default:
-      ASSERT_NOT_REACHED();
+      NOTREACHED();
       return DisplayItem::kScrollbarBackTrack;
   }
 }
 
 }  // namespace blink