Add FacingMode to MediaStreamTrack.getSettings()

third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.cpp

 /*
  * 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 211 matching lines @@
   if (platformSettings.hasFrameRate()) {
     settings.setFrameRate(platformSettings.frameRate);
   }
   if (platformSettings.hasWidth()) {
     settings.setWidth(platformSettings.width);
   }
   if (platformSettings.hasHeight()) {
     settings.setHeight(platformSettings.height);
   }
   settings.setDeviceId(platformSettings.deviceId);
+  if (platformSettings.hasFacingMode()) {
+    switch (platformSettings.facingMode) {
+      case WebMediaStreamTrack::FacingMode::User:
+        settings.setFacingMode("user");
+        break;
+      case WebMediaStreamTrack::FacingMode::Environment:
+        settings.setFacingMode("environment");
+        break;
+      case WebMediaStreamTrack::FacingMode::Left:
+        settings.setFacingMode("left");
+        break;
+      case WebMediaStreamTrack::FacingMode::Right:
+        settings.setFacingMode("right");
+        break;
+      default:
+        // None, or unknown facing mode. Ignore.
+        break;
+    }
+  }
 }
 
 bool MediaStreamTrack::ended() const {
   return m_stopped || (m_readyState == MediaStreamSource::ReadyStateEnded);
 }
 
 void MediaStreamTrack::sourceChangedState() {
   if (ended())
     return;
 
@@ skipping 72 matching lines @@
 }
 
 DEFINE_TRACE(MediaStreamTrack) {
   visitor->trace(m_registeredMediaStreams);
   visitor->trace(m_component);
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink