Revert of Reduce ActiveDOMObjects from modules/mediastream/

third_party/WebKit/Source/modules/mediastream/RTCStatsRequestImpl.cpp

 /*
  * Copyright (C) 2012 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 14 matching lines @@
 #include "modules/mediastream/RTCStatsRequestImpl.h"
 
 #include "modules/mediastream/MediaStreamTrack.h"
 #include "modules/mediastream/RTCPeerConnection.h"
 #include "modules/mediastream/RTCStatsCallback.h"
 
 namespace blink {
 
 RTCStatsRequestImpl* RTCStatsRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, RTCStatsCallback* callback, MediaStreamTrack* selector)
 {
-    return new RTCStatsRequestImpl(context, requester, callback, selector);
+    RTCStatsRequestImpl* request = new RTCStatsRequestImpl(context, requester, callback, selector);
+    request->suspendIfNeeded();
+    return request;
 }
 
 RTCStatsRequestImpl::RTCStatsRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, RTCStatsCallback* callback, MediaStreamTrack* selector)
-    : ContextLifecycleObserver(context)
+    : ActiveDOMObject(context)
     , m_successCallback(callback)
     , m_component(selector ? selector->component() : 0)
     , m_requester(requester)
 {
     ASSERT(m_requester);
 }
 
 RTCStatsRequestImpl::~RTCStatsRequestImpl()
 {
 }
@@ skipping 14 matching lines @@
 }
 
 void RTCStatsRequestImpl::requestSucceeded(RTCStatsResponseBase* response)
 {
     bool shouldFireCallback = m_requester ? m_requester->shouldFireGetStatsCallback() : false;
     if (shouldFireCallback && m_successCallback)
         m_successCallback->handleEvent(static_cast<RTCStatsResponse*>(response));
     clear();
 }
 
-void RTCStatsRequestImpl::contextDestroyed()
+void RTCStatsRequestImpl::stop()
 {
     clear();
 }
 
 void RTCStatsRequestImpl::clear()
 {
     m_successCallback.clear();
     m_requester.clear();
 }
 
 DEFINE_TRACE(RTCStatsRequestImpl)
 {
     visitor->trace(m_successCallback);
     visitor->trace(m_component);
     visitor->trace(m_requester);
     RTCStatsRequest::trace(visitor);
-    ContextLifecycleObserver::trace(visitor);
+    ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink