Oilpan: Change LoadableTextTrack::m_trackElement a strong Member

Source/core/html/track/LoadableTextTrack.cpp

 /*
  * Copyright (C) 2011 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 43 matching lines @@
 #if !ENABLE(OILPAN)
 void LoadableTextTrack::clearTrackElement()
 {
     m_trackElement = nullptr;
 }
 #endif
 
 void LoadableTextTrack::setMode(const AtomicString& mode)
 {
     TextTrack::setMode(mode);
+#if !ENABLE(OILPAN)
     if (!m_trackElement)
         return;
+#endif
 
     if (m_trackElement->readyState() == HTMLTrackElement::NONE)
         m_trackElement->scheduleLoad();
 }
 
 void LoadableTextTrack::scheduleLoad(const KURL& url)
 {
     if (url == m_url) {
         // If loading of the resource from this URL is in progress, return early.
         ASSERT(m_loader && m_trackElement);
@@ skipping 15 matching lines @@
     // was responsible for creating the text track or changing the text track mode.
     if (!m_loadTimer.isActive())
         m_loadTimer.startOneShot(0, FROM_HERE);
 }
 
 void LoadableTextTrack::loadTimerFired(Timer<LoadableTextTrack>*)
 {
     if (m_loader)
         m_loader->cancelLoad();
 
+#if !ENABLE(OILPAN)
     if (!m_trackElement)
         return;
+#endif
 
     // 4.8.10.12.3 Sourcing out-of-band text tracks (continued)
 
     // 4. Download: If URL is not the empty string, perform a potentially CORS-enabled fetch of URL, with the
     // mode being the state of the media element's crossorigin content attribute, the origin being the
     // origin of the media element's Document, and the default origin behaviour set to fail.
     m_loader = TextTrackLoader::create(*this, m_trackElement->document());
     if (!m_loader->load(m_url, m_trackElement->mediaElementCrossOriginAttribute()))
         m_trackElement->didCompleteLoad(HTMLTrackElement::Failure);
 }
@@ skipping 14 matching lines @@
     }
 
     if (mediaElement())
         mediaElement()->textTrackAddCues(this, m_cues.get());
 }
 
 void LoadableTextTrack::cueLoadingCompleted(TextTrackLoader* loader, bool loadingFailed)
 {
     ASSERT_UNUSED(loader, m_loader == loader);
 
+#if !ENABLE(OILPAN)
     if (!m_trackElement)
         return;
+#endif
 
     m_trackElement->didCompleteLoad(loadingFailed ? HTMLTrackElement::Failure : HTMLTrackElement::Success);
 }
 
 void LoadableTextTrack::newRegionsAvailable(TextTrackLoader* loader)
 {
     ASSERT_UNUSED(loader, m_loader == loader);
 
     WillBeHeapVector<RefPtrWillBeMember<VTTRegion> > newRegions;
     m_loader->getNewRegions(newRegions);
@@ skipping 23 matching lines @@
 }
 
 void LoadableTextTrack::trace(Visitor* visitor)
 {
     visitor->trace(m_trackElement);
     visitor->trace(m_loader);
     TextTrack::trace(visitor);
 }
 
 } // namespace WebCore