Reduce SuspendableObjects

third_party/WebKit/Source/modules/peerconnection/RTCDTMFSender.cpp

 /*
  * Copyright (C) 2013 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 42 matching lines @@
   std::unique_ptr<WebRTCDTMFSenderHandler> handler = WTF::wrapUnique(
       peerConnectionHandler->createDTMFSender(track->component()));
   if (!handler) {
     exceptionState.throwDOMException(NotSupportedError,
                                      "The MediaStreamTrack provided is not an "
                                      "element of a MediaStream that's "
                                      "currently in the local streams set.");
     return nullptr;
   }
 
-  RTCDTMFSender* dtmfSender =
-      new RTCDTMFSender(context, track, std::move(handler));
-  dtmfSender->suspendIfNeeded();
-  return dtmfSender;
+  return new RTCDTMFSender(context, track, std::move(handler));
 }
 
 RTCDTMFSender::RTCDTMFSender(ExecutionContext* context,
                              MediaStreamTrack* track,
                              std::unique_ptr<WebRTCDTMFSenderHandler> handler)
-    : SuspendableObject(context),
+    : ContextLifecycleObserver(context),
       m_track(track),
       m_duration(defaultToneDurationMs),
       m_interToneGap(defaultInterToneGapMs),
       m_handler(std::move(handler)),
       m_stopped(false),
       m_scheduledEventTimer(this, &RTCDTMFSender::scheduledEventTimerFired) {
   m_handler->setClient(this);
 }
 
 RTCDTMFSender::~RTCDTMFSender() {}
@@ skipping 66 matching lines @@
 
 void RTCDTMFSender::didPlayTone(const WebString& tone) {
   scheduleDispatchEvent(RTCDTMFToneChangeEvent::create(tone));
 }
 
 const AtomicString& RTCDTMFSender::interfaceName() const {
   return EventTargetNames::RTCDTMFSender;
 }
 
 ExecutionContext* RTCDTMFSender::getExecutionContext() const {
-  return SuspendableObject::getExecutionContext();
+  return ContextLifecycleObserver::getExecutionContext();
 }
 
 void RTCDTMFSender::contextDestroyed() {
   m_stopped = true;
   m_handler->setClient(nullptr);
 }
 
 void RTCDTMFSender::scheduleDispatchEvent(Event* event) {
   m_scheduledEvents.append(event);
 
@@ skipping 10 matching lines @@
 
   HeapVector<Member<Event>>::iterator it = events.begin();
   for (; it != events.end(); ++it)
     dispatchEvent((*it).release());
 }
 
 DEFINE_TRACE(RTCDTMFSender) {
   visitor->trace(m_track);
   visitor->trace(m_scheduledEvents);
   EventTargetWithInlineData::trace(visitor);
-  SuspendableObject::trace(visitor);
+  ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink