Replace ENABLE(ASSERT) with DCHECK_IS_ON().

third_party/WebKit/Source/modules/webaudio/BaseAudioContext.h

 /*
  * 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 255 matching lines @@
   }
   //
   // Thread Safety and Graph Locking:
   //
   // The following functions call corresponding functions of
   // DeferredTaskHandler.
   bool isAudioThread() const { return deferredTaskHandler().isAudioThread(); }
   void lock() { deferredTaskHandler().lock(); }
   bool tryLock() { return deferredTaskHandler().tryLock(); }
   void unlock() { deferredTaskHandler().unlock(); }
-#if ENABLE(ASSERT)
+#if DCHECK_IS_ON()
   // Returns true if this thread owns the context's lock.
   bool isGraphOwner() { return deferredTaskHandler().isGraphOwner(); }
 #endif
   using AutoLocker = DeferredTaskHandler::AutoLocker;
 
   // Returns the maximum numuber of channels we can support.
   static unsigned maxNumberOfChannels() { return MaxNumberOfChannels; }
 
   // EventTarget
   const AtomicString& interfaceName() const final;
@@ skipping 169 matching lines @@
   // It is somewhat arbitrary and could be increased if necessary.
   enum { MaxNumberOfChannels = 32 };
 
   Optional<AutoplayStatus> m_autoplayStatus;
   AudioIOPosition m_outputPosition;
 };
 
 }  // namespace blink
 
 #endif  // BaseAudioContext_h