Pass camera facing to WebKit

content/renderer/media/media_stream_video_track.cc

Index: content/renderer/media/media_stream_video_track.cc
diff --git a/content/renderer/media/media_stream_video_track.cc b/content/renderer/media/media_stream_video_track.cc
index dede54fecb104f1e46e97f43eb0ba1d2ed1dea20..23b3767dde8efedca7a2262138268c203b0fb389 100644
--- a/content/renderer/media/media_stream_video_track.cc
+++ b/content/renderer/media/media_stream_video_track.cc
@@ -307,6 +307,7 @@ void MediaStreamVideoTrack::getSettings(
       settings.frameRate = format->frame_rate;
       settings.width = format->frame_size.width();
       settings.height = format->frame_size.height();
+      settings.facingMode = source_->GetVideoFacing();

[hta - Chromium, 2017/01/12 19:36:41]

Why aren't you picking this out of source_->device_info().device.video_facing?

[shenghao, 2017/01/13 11:09:34]

Deleted.

     }
   }
   // TODO(hta): Extract the real value.