AudioParams with automations must process timelines

third_party/WebKit/Source/modules/webaudio/DelayNode.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 30 matching lines @@
     : AudioNode(context),
       m_delayTime(AudioParam::create(context,
                                      ParamTypeDelayDelayTime,
                                      0.0,
                                      0.0,
                                      maxDelayTime)) {
   setHandler(AudioBasicProcessorHandler::create(
       AudioHandler::NodeTypeDelay, *this, context.sampleRate(),
       WTF::wrapUnique(new DelayProcessor(
           context.sampleRate(), 1, m_delayTime->handler(), maxDelayTime))));
+
+  // Initialize the handler so that AudioParams can be processed.
+  handler().initialize();
 }
 
 DelayNode* DelayNode::create(BaseAudioContext& context,
                              ExceptionState& exceptionState) {
   DCHECK(isMainThread());
 
   // The default maximum delay time for the delay node is 1 sec.
   return create(context, 1, exceptionState);
 }
 
@@ skipping 40 matching lines @@
 AudioParam* DelayNode::delayTime() {
   return m_delayTime;
 }
 
 DEFINE_TRACE(DelayNode) {
   visitor->trace(m_delayTime);
   AudioNode::trace(visitor);
 }
 
 }  // namespace blink