1 files changed, 11 insertions, 0 deletions
diff --git a/components/script/dom/webidls/PerformanceMark.webidl b/components/script/dom/webidls/PerformanceMark.webidl
new file mode 100644
index 00000000000..43783454865
--- /dev/null
+++ b/components/script/dom/webidls/PerformanceMark.webidl
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+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://w3c.github.io/user-timing/#performancemark
+ */
+
+[Exposed=(Window,Worker)]
+interface PerformanceMark : PerformanceEntry {
+};