Add empty MediaDevices interface

components/script/dom/webidls/MediaDevices.webidl

@@ -0,0 +1,88 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+// https://w3c.github.io/mediacapture-main/#dom-mediadevices
+
+[Exposed=Window,
+SecureContext, Pref="dom.webrtc.enabled"]
+interface MediaDevices : EventTarget {
+    //                attribute EventHandler ondevicechange;
+    // Promise<sequence<MediaDeviceInfo>> enumerateDevices();
+};
+
+partial interface Navigator {
+    // [SameObject, SecureContext]
+    // readonly        attribute MediaDevices mediaDevices;
+};
+
+partial interface MediaDevices {
+    // MediaTrackSupportedConstraints getSupportedConstraints();
+    // Promise<MediaStream> getUserMedia(optional MediaStreamConstraints constraints);
+};
+
+
+dictionary MediaStreamConstraints {
+    //         (boolean or MediaTrackConstraints) video = false;
+    //         (boolean or MediaTrackConstraints) audio = false;
+                boolean video = false;
+                boolean audio = false;
+};
+
+// dictionary DoubleRange {
+//              double max;
+//              double min;
+// };
+
+// dictionary ConstrainDoubleRange : DoubleRange {
+//              double exact;
+//              double ideal;
+// };
+
+// dictionary ULongRange {
+//              [Clamp] unsigned long max;
+//              [Clamp] unsigned long min;
+// };
+
+// dictionary ConstrainULongRange : ULongRange {
+//              [Clamp] unsigned long exact;
+//              [Clamp] unsigned long ideal;
+// };
+
+// dictionary ConstrainBooleanParameters {
+//              boolean exact;
+//              boolean ideal;
+// };
+
+// dictionary ConstrainDOMStringParameters {
+//              (DOMString or sequence<DOMString>) exact;
+//              (DOMString or sequence<DOMString>) ideal;
+// };
+
+// dictionary MediaTrackConstraints : MediaTrackConstraintSet {
+//              sequence<MediaTrackConstraintSet> advanced;
+// };
+
+// typedef ([Clamp] unsigned long or ConstrainULongRange) ConstrainULong;
+// typedef (double or ConstrainDoubleRange) ConstrainDouble;
+// typedef (boolean or ConstrainBooleanParameters) ConstrainBoolean;
+// typedef (DOMString or sequence<DOMString> or ConstrainDOMStringParameters) ConstrainDOMString;
+
+// dictionary MediaTrackConstraintSet {
+//              ConstrainULong width;
+//              ConstrainULong height;
+//              ConstrainDouble aspectRatio;
+//              ConstrainDouble frameRate;
+//              ConstrainDOMString facingMode;
+//              ConstrainDOMString resizeMode;
+//              ConstrainDouble volume;
+//              ConstrainULong sampleRate;
+//              ConstrainULong sampleSize;
+//              ConstrainBoolean echoCancellation;
+//              ConstrainBoolean autoGainControl;
+//              ConstrainBoolean noiseSuppression;
+//              ConstrainDouble latency;
+//              ConstrainULong channelCount;
+//              ConstrainDOMString deviceId;
+//              ConstrainDOMString groupId;
+// };