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

content/test/data/media/depth_stream_test_utilities.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 function getConstraintsForDevice(deviceLabel) {
   return new Promise(function(resolve, reject) {
     navigator.mediaDevices.enumerateDevices()
     .then(function(devices) {
       for (var i = 0; i < devices.length; ++i) {
         if (deviceLabel == devices[i].label) {
@@ skipping 14 matching lines @@
     .then(function(constraints) {
       if (!constraints)
         return reject("No fake device found");
       return navigator.mediaDevices.getUserMedia(constraints);
     }).then(function(stream) {
       return resolve(stream);
     });
   });
 }
 
+function getStreamOfVideoKind(constraint_kind) {
+  var constraints = {
+    video:{
+      videoKind: constraint_kind
+    }
+  }
+  return navigator.mediaDevices.getUserMedia(constraints);
+}
+
 // Data is RGBA array data and could be used with different formats:
 // e.g. Uint8Array, Uint8ClampedArray, Float32Array...
 // Value at point (row, column) is calculated as
 // (top_left_value + (row + column) * step) % wrap_around. wrap_around is 255
 // (for Uint8) or 1.0 for float. See FakeVideoCaptureDevice for details.
 function verifyPixels(
     data, width, height, flip_y, step, wrap_around, tolerance, test_name) {
   var rowsColumnsToCheck = [[1, 1],
                             [0, width - 1],
                             [height - 1, 0],
@@ skipping 51 matching lines @@
     if (Math.abs(calculated - data[i]) > tolerance) {
       return Promise.reject(test_name + ": reference value " + data[i] +
           " differs from calculated: " + calculated +
           " at index (row, column) " + i + " (" + row + ", " + column +
           "). TopLeft value:" + data[0] + ", step:" + step + ", flip_y:" +
           flip_y);
     }
   }
   return true;
 }