Media Capture Depth Stream Extensions API: videoKind settings and constraint.

content/common/media/media_stream_options.h

Index: content/common/media/media_stream_options.h
diff --git a/content/common/media/media_stream_options.h b/content/common/media/media_stream_options.h
index 55f568736b9480492aacddf0d31ac9bfd58ebeac..e2b542226550f652411e829798ee0b7dc4a47fd8 100644
--- a/content/common/media/media_stream_options.h
+++ b/content/common/media/media_stream_options.h
@@ -21,6 +21,14 @@ CONTENT_EXPORT extern const char kMediaStreamSourceScreen[];
 CONTENT_EXPORT extern const char kMediaStreamSourceDesktop[];
 CONTENT_EXPORT extern const char kMediaStreamSourceSystem[];
 
+// The type of video stream. See https://w3c.github.io/mediacapture-depth.
+enum VideoKind {
+  VIDEO_KIND_NO_CONSTRAINT,

[Guido Urdaneta, 2017/02/07 10:26:04]

would VIDEO_KIND_NONE be better name?
At this point, it is no longer a constraint but a setting.

[aleksandar.stojiljkovic, 2017/02/07 11:33:49]

Done. I didn't like it's semantics when using it as constraint but your point is
valid.

+  VIDEO_KIND_COLOR,
+  VIDEO_KIND_DEPTH,
+  NUM_VIDEO_KINDS,
+};
+
 struct CONTENT_EXPORT TrackControls {
  public:
   TrackControls();
@@ -54,6 +62,8 @@ struct CONTENT_EXPORT StreamControls {
   // See crbug.com/564574 for discussion on possibly #ifdef'ing this out.
   bool hotword_enabled;  // kMediaStreamAudioHotword = "googHotword";
   bool disable_local_echo;
+  // https://w3c.github.io/mediacapture-depth
+  VideoKind video_kind;
 };
 
 // StreamDeviceInfo describes information about a device.