Add FacingMode to MediaStreamTrack.getSettings()

third_party/WebKit/public/platform/WebMediaStreamTrack.h

 /*
  * Copyright (C) 2013 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 23 matching lines @@
 
 class MediaStreamComponent;
 class MediaStreamTrack;
 class WebAudioSourceProvider;
 class WebMediaStream;
 class WebMediaStreamSource;
 class WebString;
 
 class WebMediaStreamTrack {
  public:
+  enum class FacingMode { None, User, Environment, Left, Right };
+
   struct Settings {
     bool hasFrameRate() { return frameRate >= 0.0; }
     bool hasWidth() { return width >= 0; }
     bool hasHeight() { return height >= 0; }
+    bool hasFacingMode() { return facingMode != FacingMode::None; }
     // The variables are read from
     // MediaStreamTrack::GetSettings only.
     double frameRate = -1.0;
     long width = -1;
     long height = -1;
     WebString deviceId;
+    FacingMode facingMode = FacingMode::None;
   };
 
   class TrackData {
    public:
     TrackData() {}
     virtual ~TrackData() {}
     virtual void getSettings(Settings&) = 0;
   };
 
   enum class ContentHintType {
@@ skipping 47 matching lines @@
   BLINK_PLATFORM_EXPORT operator MediaStreamComponent*() const;
 #endif
 
  private:
   WebPrivatePtr<MediaStreamComponent> m_private;
 };
 
 }  // namespace blink
 
 #endif  // WebMediaStreamTrack_h