Enable Oilpan by default for webaudio/

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 31 matching lines @@
 {
     ScriptWrappable::init(this);
     if (maxDelayTime <= 0 || maxDelayTime >= maximumAllowedDelayTime || std::isnan(maxDelayTime)) {
         exceptionState.throwDOMException(
             NotSupportedError,
             "max delay time (" + String::number(maxDelayTime)
             + ") must be between 0 and " + String::number(maximumAllowedDelayTime)
             + ", exclusive.");
         return;
     }
-    m_processor = adoptPtrWillBeNoop(new DelayProcessor(context, sampleRate, 1, maxDelayTime));
+    m_processor = new DelayProcessor(context, sampleRate, 1, maxDelayTime);
     setNodeType(NodeTypeDelay);
 }
 
 AudioParam* DelayNode::delayTime()
 {
     return delayProcessor()->delayTime();
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)