Revert of Reduce ActiveDOMObjects from modules/mediastream/

third_party/WebKit/Source/modules/mediastream/RTCSessionDescriptionRequestImpl.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
@@ skipping 25 matching lines @@
 #include "modules/mediastream/RTCPeerConnectionErrorCallback.h"
 #include "modules/mediastream/RTCSessionDescription.h"
 #include "modules/mediastream/RTCSessionDescriptionCallback.h"
 #include "public/platform/WebRTCSessionDescription.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 RTCSessionDescriptionRequestImpl* RTCSessionDescriptionRequestImpl::create(ExecutionContext* context, RTCPeerConnection* requester, RTCSessionDescriptionCallback* successCallback, RTCPeerConnectionErrorCallback* errorCallback)
 {
-    return new RTCSessionDescriptionRequestImpl(context, requester, successCallback, errorCallback);
+    RTCSessionDescriptionRequestImpl* request = new RTCSessionDescriptionRequestImpl(context, requester, successCallback, errorCallback);
+    request->suspendIfNeeded();
+    return request;
 }
 
 RTCSessionDescriptionRequestImpl::RTCSessionDescriptionRequestImpl(ExecutionContext* context, RTCPeerConnection* requester, RTCSessionDescriptionCallback* successCallback, RTCPeerConnectionErrorCallback* errorCallback)
-    : ContextLifecycleObserver(context)
+    : ActiveDOMObject(context)
     , m_successCallback(successCallback)
     , m_errorCallback(errorCallback)
     , m_requester(requester)
 {
     ASSERT(m_requester);
 }
 
 RTCSessionDescriptionRequestImpl::~RTCSessionDescriptionRequestImpl()
 {
 }
 
 void RTCSessionDescriptionRequestImpl::requestSucceeded(const WebRTCSessionDescription& webSessionDescription)
 {
     bool shouldFireCallback = m_requester ? m_requester->shouldFireDefaultCallbacks() : false;
     if (shouldFireCallback && m_successCallback)
         m_successCallback->handleEvent(RTCSessionDescription::create(webSessionDescription));
     clear();
 }
 
 void RTCSessionDescriptionRequestImpl::requestFailed(const String& error)
 {
     bool shouldFireCallback = m_requester ? m_requester->shouldFireDefaultCallbacks() : false;
     if (shouldFireCallback && m_errorCallback)
         m_errorCallback->handleEvent(DOMException::create(OperationError, error));
 
     clear();
 }
 
-void RTCSessionDescriptionRequestImpl::contextDestroyed()
+void RTCSessionDescriptionRequestImpl::stop()
 {
     clear();
 }
 
 void RTCSessionDescriptionRequestImpl::clear()
 {
     m_successCallback.clear();
     m_errorCallback.clear();
     m_requester.clear();
 }
 
 DEFINE_TRACE(RTCSessionDescriptionRequestImpl)
 {
     visitor->trace(m_successCallback);
     visitor->trace(m_errorCallback);
     visitor->trace(m_requester);
     RTCSessionDescriptionRequest::trace(visitor);
-    ContextLifecycleObserver::trace(visitor);
+    ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink