Replace ASSERT with DCHECK in WebAudio

third_party/WebKit/Source/modules/webaudio/ChannelMergerNode.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 48 matching lines @@
 {
     return adoptRef(new ChannelMergerHandler(node, sampleRate, numberOfInputs));
 }
 
 void ChannelMergerHandler::process(size_t framesToProcess)
 {
     AudioNodeOutput& output = this->output(0);
     ASSERT_UNUSED(framesToProcess, framesToProcess == output.bus()->length());
 
     unsigned numberOfOutputChannels = output.numberOfChannels();
-    ASSERT(numberOfInputs() == numberOfOutputChannels);
+    DCHECK_EQ(numberOfInputs(), numberOfOutputChannels);
 
     // Merge multiple inputs into one output.
     for (unsigned i = 0; i < numberOfOutputChannels; ++i) {
         AudioNodeInput& input = this->input(i);
-        ASSERT(input.numberOfChannels() == 1);
+        DCHECK_EQ(static_cast<int>(input.numberOfChannels()), 1);

[Raymond Toy, 2016/07/25 16:56:52]

DCHECK_EQ(..., 1U)

         AudioChannel* outputChannel = output.bus()->channel(i);
         if (input.isConnected()) {
 
             // The mixing rules will be applied so multiple channels are down-
             // mixed to mono (when the mixing rule is defined). Note that only
             // the first channel will be taken for the undefined input channel
             // layout.
             //
             // See: http://webaudio.github.io/web-audio-api/#channel-up-mixing-and-down-mixing
             AudioChannel* inputChannel = input.bus()->channel(0);
             outputChannel->copyFrom(inputChannel);
 
         } else {
             // If input is unconnected, fill zeros in the channel.
             outputChannel->zero();
         }
     }
 }
 
 void ChannelMergerHandler::setChannelCount(unsigned long channelCount, ExceptionState& exceptionState)
 {
-    ASSERT(isMainThread());
+    DCHECK(isMainThread());
     BaseAudioContext::AutoLocker locker(context());
 
     // channelCount must be 1.
     if (channelCount != 1) {
         exceptionState.throwDOMException(
             InvalidStateError,
             "ChannelMerger: channelCount cannot be changed from 1");
     }
 }
 
 void ChannelMergerHandler::setChannelCountMode(const String& mode, ExceptionState& exceptionState)
 {
-    ASSERT(isMainThread());
+    DCHECK(isMainThread());
     BaseAudioContext::AutoLocker locker(context());
 
     // channcelCountMode must be 'explicit'.
     if (mode != "explicit") {
         exceptionState.throwDOMException(
             InvalidStateError,
             "ChannelMerger: channelCountMode cannot be changed from 'explicit'");
     }
 }
 
@@ skipping 33 matching lines @@
                 BaseAudioContext::maxNumberOfChannels(),
                 ExceptionMessages::InclusiveBound));
         return nullptr;
     }
 
     return new ChannelMergerNode(context, numberOfInputs);
 }
 
 } // namespace blink