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

content/renderer/media/media_stream_video_source.cc

Index: content/renderer/media/media_stream_video_source.cc
diff --git a/content/renderer/media/media_stream_video_source.cc b/content/renderer/media/media_stream_video_source.cc
index 759e6213960d07c8daf12bacb0245514a773d069..54a62f8197653731baa6e4f8a469543b709c1db7 100644
--- a/content/renderer/media/media_stream_video_source.cc
+++ b/content/renderer/media/media_stream_video_source.cc
@@ -28,7 +28,8 @@ const char* const kLegalVideoConstraints[] = {"width",
                                               "deviceId",
                                               "groupId",
                                               "mediaStreamSource",
-                                              "googNoiseReduction"};
+                                              "googNoiseReduction",
+                                              "videoKind"};
 
 // Returns true if |constraint| has mandatory constraints.
 bool HasMandatoryConstraints(const blink::WebMediaConstraints& constraints) {
@@ -142,6 +143,9 @@ bool UpdateFormatForConstraints(
              (constraints.height.hasExact() &&
               constraints.height.exact() > format->frame_size.height())) {
     *failing_constraint_name = constraints.height.name();
+  } else if (constraints.videoKind.hasExact() &&
+             !constraints.videoKind.matches(GetVideoKindForFormat(*format))) {
+    *failing_constraint_name = constraints.videoKind.name();
   } else if (!constraints.frameRate.matches(format->frame_rate)) {
     if (constraints.frameRate.hasMax()) {
       const double value = constraints.frameRate.max();