From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 dom/webidl/PerformanceObserver.webidl | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 dom/webidl/PerformanceObserver.webidl

(limited to 'dom/webidl/PerformanceObserver.webidl')

diff --git a/dom/webidl/PerformanceObserver.webidl b/dom/webidl/PerformanceObserver.webidl
new file mode 100644
index 000000000..a3a14cb1e
--- /dev/null
+++ b/dom/webidl/PerformanceObserver.webidl
@@ -0,0 +1,23 @@
+/* -*- 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://w3c.github.io/performance-timeline/#the-performanceobserver-interface
+ */
+
+dictionary PerformanceObserverInit {
+  required sequence<DOMString> entryTypes;
+};
+
+callback PerformanceObserverCallback = void (PerformanceObserverEntryList entries, PerformanceObserver observer);
+
+[Func="Performance::IsObserverEnabled",
+ Constructor(PerformanceObserverCallback callback),
+ Exposed=(Window,Worker)]
+interface PerformanceObserver {
+  [Throws]
+  void observe(PerformanceObserverInit options);
+  void disconnect();
+};
-- 
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