[not for commit]

Source/platform/exported/WebAudioBus.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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 62 matching lines @@
 #else
     ASSERT_NOT_REACHED();
 #endif
 }
 
 void WebAudioBus::reset()
 {
 #if ENABLE(WEB_AUDIO)
     if (m_private) {
         (static_cast<AudioBus*>(m_private))->deref();
-        m_private = 0;
+        m_private = nullptr;
     }
 #else
     ASSERT_NOT_REACHED();
 #endif
 }
 
 unsigned WebAudioBus::numberOfChannels() const
 {
 #if ENABLE(WEB_AUDIO)
     if (!m_private)
@@ skipping 39 matching lines @@
 #else
     ASSERT_NOT_REACHED();
     return 0;
 #endif
 }
 
 PassRefPtr<AudioBus> WebAudioBus::release()
 {
 #if ENABLE(WEB_AUDIO)
     RefPtr<AudioBus> audioBus(adoptRef(static_cast<AudioBus*>(m_private)));
-    m_private = 0;
+    m_private = nullptr;
     return audioBus;
 #else
     ASSERT_NOT_REACHED();
     return 0;
 #endif
 }
 
 } // namespace blink