WebKit MediaStream cleanup: ASSERT-->DCHECK and ASSERT_NOT_REACHED-->NOTREACHED etc

third_party/WebKit/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 45 matching lines @@
 MediaStream* MediaStream::create(ExecutionContext* context)
 {
     MediaStreamTrackVector audioTracks;
     MediaStreamTrackVector videoTracks;
 
     return new MediaStream(context, audioTracks, videoTracks);
 }
 
 MediaStream* MediaStream::create(ExecutionContext* context, MediaStream* stream)
 {
-    ASSERT(stream);
+    DCHECK(stream);
 
     MediaStreamTrackVector audioTracks;
     MediaStreamTrackVector videoTracks;
 
     for (size_t i = 0; i < stream->m_audioTracks.size(); ++i)
         processTrack(stream->m_audioTracks[i].get(), audioTracks);
 
     for (size_t i = 0; i < stream->m_videoTracks.size(); ++i)
         processTrack(stream->m_videoTracks[i].get(), videoTracks);
 
@@ skipping 235 matching lines @@
     return EventTargetNames::MediaStream;
 }
 
 ExecutionContext* MediaStream::getExecutionContext() const
 {
     return ContextLifecycleObserver::getExecutionContext();
 }
 
 void MediaStream::addRemoteTrack(MediaStreamComponent* component)
 {
-    ASSERT(component);
+    DCHECK(component);
     if (m_stopped)
         return;
 
     MediaStreamTrack* track = MediaStreamTrack::create(getExecutionContext(), component);
     switch (component->source()->type()) {
     case MediaStreamSource::TypeAudio:
         m_audioTracks.append(track);
         break;
     case MediaStreamSource::TypeVideo:
         m_videoTracks.append(track);
         break;
     }
     track->registerMediaStream(this);
     m_descriptor->addComponent(component);
 
     scheduleDispatchEvent(MediaStreamTrackEvent::create(EventTypeNames::addtrack, false, false, track));
 
     if (!active() && !track->ended()) {
         m_descriptor->setActive(true);
         scheduleDispatchEvent(Event::create(EventTypeNames::active));
     }
 }
 
 void MediaStream::removeRemoteTrack(MediaStreamComponent* component)
 {
-    ASSERT(component);
+    DCHECK(component);
     if (m_stopped)
         return;
 
     MediaStreamTrackVector* tracks = 0;
     switch (component->source()->type()) {
     case MediaStreamSource::TypeAudio:
         tracks = &m_audioTracks;
         break;
     case MediaStreamSource::TypeVideo:
         tracks = &m_videoTracks;
@@ skipping 56 matching lines @@
     visitor->trace(m_audioTracks);
     visitor->trace(m_videoTracks);
     visitor->trace(m_descriptor);
     visitor->trace(m_scheduledEvents);
     RefCountedGarbageCollectedEventTargetWithInlineData<MediaStream>::trace(visitor);
     ContextLifecycleObserver::trace(visitor);
     MediaStreamDescriptorClient::trace(visitor);
 }
 
 } // namespace blink