Rename ContextDestructionObserver to ContextLifecycleObserver

Source/modules/mediastream/MediaStream.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011, 2012 Ericsson AB. 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 85 matching lines @@
 
     return createFromSourceVectors(context, audioSources, videoSources);
 }
 
 PassRefPtr<MediaStream> MediaStream::create(ScriptExecutionContext* context, PassRefPtr<MediaStreamDescriptor> streamDescriptor)
 {
     return adoptRef(new MediaStream(context, streamDescriptor));
 }
 
 MediaStream::MediaStream(ScriptExecutionContext* context, PassRefPtr<MediaStreamDescriptor> streamDescriptor)
-    : ContextDestructionObserver(context)
+    : ContextLifecycleObserver(context)
     , m_stopped(false)
     , m_descriptor(streamDescriptor)
     , m_scheduledEventTimer(this, &MediaStream::scheduledEventTimerFired)
 {
     ScriptWrappable::init(this);
     m_descriptor->setClient(this);
 
     size_t numberOfAudioTracks = m_descriptor->numberOfAudioComponents();
     m_audioTracks.reserveCapacity(numberOfAudioTracks);
     for (size_t i = 0; i < numberOfAudioTracks; i++)
@@ skipping 130 matching lines @@
 {
     if (ended())
         return;
 
     m_descriptor->setEnded();
     scheduleDispatchEvent(Event::create(eventNames().endedEvent, false, false));
 }
 
 void MediaStream::contextDestroyed()
 {
-    ContextDestructionObserver::contextDestroyed();
+    ContextLifecycleObserver::contextDestroyed();
     m_stopped = true;
 }
 
 const AtomicString& MediaStream::interfaceName() const
 {
     return eventNames().interfaceForMediaStream;
 }
 
 ScriptExecutionContext* MediaStream::scriptExecutionContext() const
 {
-    return ContextDestructionObserver::scriptExecutionContext();
+    return ContextLifecycleObserver::scriptExecutionContext();
 }
 
 EventTargetData* MediaStream::eventTargetData()
 {
     return &m_eventTargetData;
 }
 
 EventTargetData* MediaStream::ensureEventTargetData()
 {
     return &m_eventTargetData;
@@ skipping 75 matching lines @@
 
     events.clear();
 }
 
 URLRegistry& MediaStream::registry() const
 {
     return MediaStreamRegistry::registry();
 }
 
 } // namespace WebCore