ScriptProcessor buffer size should be consistent with callback size

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 115 matching lines @@
       BLINK_FROM_HERE,
       crossThreadBind(&OfflineAudioDestinationHandler::doOfflineRendering,
                       wrapPassRefPtr(this)));
 }
 
 void OfflineAudioDestinationHandler::stopRendering() {
   // offline audio rendering CANNOT BE stopped by JavaScript.
   ASSERT_NOT_REACHED();
 }
 
+size_t OfflineAudioDestinationHandler::callbackBufferSize() const {
+  // The callback buffer size has no meaning for an offline context.
+  NOTREACHED();
+  return 0;
+}
 WebThread* OfflineAudioDestinationHandler::offlineRenderThread() {
   DCHECK(m_renderThread);
 
   return m_renderThread.get();
 }
 
 void OfflineAudioDestinationHandler::startOfflineRendering() {
   DCHECK(!isMainThread());
 
   DCHECK(m_renderBus);
@@ skipping 185 matching lines @@
   setHandler(OfflineAudioDestinationHandler::create(*this, renderTarget));
 }
 
 OfflineAudioDestinationNode* OfflineAudioDestinationNode::create(
     BaseAudioContext* context,
     AudioBuffer* renderTarget) {
   return new OfflineAudioDestinationNode(*context, renderTarget);
 }
 
 }  // namespace blink