Add MediaStream.active attribute

Source/platform/mediastream/MediaStreamDescriptor.h

 /*
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  * Copyright (C) 2012 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.
@@ skipping 62 matching lines @@
 
     unsigned numberOfVideoComponents() const { return m_videoComponents.size(); }
     MediaStreamComponent* videoComponent(unsigned index) const { return m_videoComponents[index].get(); }
 
     void addComponent(PassRefPtr<MediaStreamComponent>);
     void removeComponent(PassRefPtr<MediaStreamComponent>);
 
     void addRemoteTrack(MediaStreamComponent*);
     void removeRemoteTrack(MediaStreamComponent*);
 
+    bool active() const { return m_active; }
+    void setActive(bool active) { m_active = active; }
+
     bool ended() const { return m_ended; }
     void setEnded() { m_ended = true; }
 
     ExtraData* extraData() const { return m_extraData.get(); }
     void setExtraData(PassOwnPtr<ExtraData> extraData) { m_extraData = extraData; }
 
 private:
     MediaStreamDescriptor(const String& id, const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources);
     MediaStreamDescriptor(const String& id, const MediaStreamComponentVector& audioComponents, const MediaStreamComponentVector& videoComponents);
 
     MediaStreamDescriptorClient* m_client;
     String m_id;
     Vector<RefPtr<MediaStreamComponent> > m_audioComponents;
     Vector<RefPtr<MediaStreamComponent> > m_videoComponents;
+    bool m_active;
     bool m_ended;
 
     OwnPtr<ExtraData> m_extraData;
 };
 
 typedef Vector<RefPtr<MediaStreamDescriptor> > MediaStreamDescriptorVector;
 
 } // namespace blink
 
 #endif // MediaStreamDescriptor_h