HTMLMediaElement capture: teach the captured MStream to follow up source events

third_party/WebKit/Source/modules/mediastream/MediaStream.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 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 55 matching lines @@
 
   bool active() const { return m_descriptor->active(); }
 
   DEFINE_ATTRIBUTE_EVENT_LISTENER(active);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(inactive);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(addtrack);
   DEFINE_ATTRIBUTE_EVENT_LISTENER(removetrack);
 
   void trackEnded();
 
-  // MediaStreamDescriptorClient
+  // MediaStreamDescriptorClient implementation
   void streamEnded() override;
+  void addTrackByComponent(MediaStreamComponent*) override;
+  void removeTrackByComponent(MediaStreamComponent*) override;
 
   MediaStreamDescriptor* descriptor() const { return m_descriptor; }
 
   // EventTarget
   const AtomicString& interfaceName() const override;
   ExecutionContext* getExecutionContext() const override {
     return ContextClient::getExecutionContext();
   }
 
   // URLRegistrable
   URLRegistry& registry() const override;
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   bool addEventListenerInternal(
       const AtomicString& eventType,
       EventListener*,
       const AddEventListenerOptionsResolved&) override;
 
  private:
   MediaStream(ExecutionContext*, MediaStreamDescriptor*);
   MediaStream(ExecutionContext*,
               const MediaStreamTrackVector& audioTracks,
               const MediaStreamTrackVector& videoTracks);
 
-  // MediaStreamDescriptorClient
-  void addRemoteTrack(MediaStreamComponent*) override;
-  void removeRemoteTrack(MediaStreamComponent*) override;
-
   bool emptyOrOnlyEndedTracks();
 
   void scheduleDispatchEvent(Event*);
   void scheduledEventTimerFired(TimerBase*);
 
   MediaStreamTrackVector m_audioTracks;
   MediaStreamTrackVector m_videoTracks;
   Member<MediaStreamDescriptor> m_descriptor;
 
   TaskRunnerTimer<MediaStream> m_scheduledEventTimer;
   HeapVector<Member<Event>> m_scheduledEvents;
 };
 
 using MediaStreamVector = HeapVector<Member<MediaStream>>;
 
 MediaStream* toMediaStream(MediaStreamDescriptor*);
 
 }  // namespace blink
 
 #endif  // MediaStream_h