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components/script/dom/webidls/Performance.webidl

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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/NavigationTiming/Overview.html#sec-window.performance-attribute
+ */
+
+typedef double DOMHighResTimeStamp;
+
+interface Performance {
+  readonly attribute PerformanceTiming timing;
+  /*  readonly attribute PerformanceNavigation navigation; */
+};
+
+partial interface Performance {
+  DOMHighResTimeStamp now();
+};