import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/webidl/MozNetworkStatsInterface.webidl

@@ -0,0 +1,26 @@
+/* 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 http://mozilla.org/MPL/2.0/. */
+
+dictionary NetworkInterface {
+  long type;
+  DOMString id;
+};
+
+/**
+ * Represents a data interface for which the manager is recording statistics.
+ */
+[Constructor(optional NetworkInterface networkinterface),
+ JSImplementation="@mozilla.org/networkstatsinterface;1",
+ ChromeOnly, 
+ Pref="dom.mozNetworkStats.enabled"]
+interface MozNetworkStatsInterface {
+  readonly attribute long type;
+
+  /**
+   * Id value is '0' for wifi or the iccid for mobile (SIM).
+   */
+  readonly attribute DOMString id;
+
+  jsonifier;
+};