Implement suspend() and resume() for OfflineAudioContext

Source/modules/webaudio/AudioNode.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 25 matching lines @@
 #include "wtf/Atomics.h"
 #include "wtf/MainThread.h"
 
 #if DEBUG_AUDIONODE_REFERENCES
 #include <stdio.h>
 #endif
 
 namespace blink {
 
 AudioHandler::AudioHandler(NodeType nodeType, AudioNode& node, float sampleRate)
-    : m_isInitialized(false)
+    : m_context(node.context())
+    , m_isInitialized(false)
     , m_nodeType(NodeTypeUnknown)
     , m_node(&node)
-    , m_context(node.context())
     , m_sampleRate(sampleRate)
     , m_lastProcessingTime(-1)
     , m_lastNonSilentTime(-1)
     , m_connectionRefCount(0)
     , m_isDisabled(false)
     , m_channelCount(2)
     , m_channelCountMode(Max)
     , m_channelInterpretation(AudioBus::Speakers)
     , m_newChannelCountMode(Max)
 {
@@ skipping 869 matching lines @@
 {
     m_connectedNodes.append(nullptr);
     ASSERT_UNUSED(numberOfOutputs, numberOfOutputs == m_connectedNodes.size());
     m_connectedParams.append(nullptr);
     ASSERT_UNUSED(numberOfOutputs, numberOfOutputs == m_connectedParams.size());
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)