Remove ASSERT_NOT_REACHED() in audio.

third_party/WebKit/Source/platform/audio/Panner.cpp

 /*
  * Copyright (C) 2010 Google 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
@@ skipping 27 matching lines @@
                                        float sampleRate,
                                        HRTFDatabaseLoader* databaseLoader) {
   switch (model) {
     case PanningModelEqualPower:
       return WTF::makeUnique<EqualPowerPanner>(sampleRate);
 
     case PanningModelHRTF:
       return WTF::makeUnique<HRTFPanner>(sampleRate, databaseLoader);
 
     default:
-      ASSERT_NOT_REACHED();
+      NOTREACHED();
       return nullptr;
   }
 }
 
 }  // namespace blink