Media Capture Depth Stream Extensions API: focal length and depth range.

third_party/WebKit/Source/modules/mediastream/MediaTrackSettings.idl

 // 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.
 
 // https://w3c.github.io/mediacapture-main/#idl-def-mediatracksettings
 
 dictionary MediaTrackSettings {
     long width;
     long height;
     double aspectRatio;
     double frameRate;
     DOMString facingMode;
     double volume;
     long sampleRate;
     long sampleSize;
     boolean echoCancellation;
     double latency;
     long channelCount;
     DOMString deviceId;
     DOMString groupId;
+
+    // Media Capture Depth Stream Extensions
+    // https://w3c.github.io/mediacapture-depth/#mediatracksettings-dictionary
+    // TODO(aleksandar.stojiljkovic): depthNear, depthFar, focalLengthX and
+    // focalLengthY attributes should be declared as partial dictionary but IDL
+    // parser can't support it yet. Please see: http://crbug.com/579896.
+    [RuntimeEnabled=MediaCaptureDepth] double depthNear;
+    [RuntimeEnabled=MediaCaptureDepth] double depthFar;
+    [RuntimeEnabled=MediaCaptureDepth] double focalLengthX;
+    [RuntimeEnabled=MediaCaptureDepth] double focalLengthY;
 };