Replace ASSERT with DCHECK in WebAudio

third_party/WebKit/Source/modules/webaudio/MediaStreamAudioDestinationNode.cpp

 /*
  * Copyright (C) 2012, 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 58 matching lines @@
 {
     // Conform the input bus into the internal mix bus, which represents
     // MediaStreamDestination's channel count.
     m_mixBus->copyFrom(*input(0).bus());
 
     m_source->consumeAudio(m_mixBus.get(), numberOfFrames);
 }
 
 void MediaStreamAudioDestinationHandler::setChannelCount(unsigned long channelCount, ExceptionState& exceptionState)
 {
-    ASSERT(isMainThread());
+    DCHECK(isMainThread());
 
     // Currently the maximum channel count supported for this node is 8,
     // which is constrained by m_source (WebAudioCapturereSource). Although
     // it has its own safety check for the excessive channels, throwing an
     // exception here is useful to developers.
     if (channelCount > maxChannelCount()) {
         exceptionState.throwDOMException(
             IndexSizeError,
             ExceptionMessages::indexOutsideRange<unsigned>("channel count",
                 channelCount,
@@ skipping 44 matching lines @@
     return new MediaStreamAudioDestinationNode(context, numberOfChannels);
 }
 
 MediaStream* MediaStreamAudioDestinationNode::stream() const
 {
     return static_cast<MediaStreamAudioDestinationHandler&>(handler()).stream();
 }
 
 } // namespace blink