Don't delay setting of channelInterpretation and channelCountMode

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

 /*
  * Copyright (C) 2011, 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 35 matching lines @@
     , m_framesProcessed(0)
     , m_framesToProcess(0)
     , m_isRenderingStarted(false)
     , m_shouldSuspend(false)
 {
     m_renderBus = AudioBus::create(renderTarget->numberOfChannels(), renderQuantumSize);
     m_framesToProcess = m_renderTarget->length();
 
     // Node-specific defaults.
     m_channelCount = m_renderTarget->numberOfChannels();
-    m_channelCountMode = Explicit;
-    m_channelInterpretation = AudioBus::Speakers;
+    setInternalChannelCountMode(Explicit);
+    setInternalChannelInterpretation(AudioBus::Speakers);
 }
 
 PassRefPtr<OfflineAudioDestinationHandler> OfflineAudioDestinationHandler::create(AudioNode& node, AudioBuffer* renderTarget)
 {
     return adoptRef(new OfflineAudioDestinationHandler(node, renderTarget));
 }
 
 OfflineAudioDestinationHandler::~OfflineAudioDestinationHandler()
 {
     ASSERT(!isInitialized());
@@ skipping 251 matching lines @@
 {
     setHandler(OfflineAudioDestinationHandler::create(*this, renderTarget));
 }
 
 OfflineAudioDestinationNode* OfflineAudioDestinationNode::create(BaseAudioContext* context, AudioBuffer* renderTarget)
 {
     return new OfflineAudioDestinationNode(*context, renderTarget);
 }
 
 } // namespace blink