Revert CL 2242573002

third_party/WebKit/Source/modules/webaudio/AudioNodeInput.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 154 matching lines @@
     DCHECK(deferredTaskHandler().isAudioThread());
 
     return m_internalSummingBus.get();
 }
 
 void AudioNodeInput::sumAllConnections(AudioBus* summingBus, size_t framesToProcess)
 {
     DCHECK(deferredTaskHandler().isAudioThread());
 
     // We shouldn't be calling this method if there's only one connection, since it's less efficient.
-    DCHECK(numberOfRenderingConnections() > 1 || handler().internalChannelCountMode() != AudioHandler::Max);
+    //    DCHECK(numberOfRenderingConnections() > 1 || handler().internalChannelCountMode() != AudioHandler::Max);
 
     DCHECK(summingBus);
     if (!summingBus)
         return;
 
     summingBus->zero();
 
     AudioBus::ChannelInterpretation interpretation = handler().internalChannelInterpretation();
 
     for (unsigned i = 0; i < numberOfRenderingConnections(); ++i) {
@@ skipping 29 matching lines @@
     }
 
     // Handle multiple connections case.
     sumAllConnections(internalSummingBus, framesToProcess);
 
     return internalSummingBus;
 }
 
 } // namespace blink