1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/interfaces/user-timing.idl b/testing/web-platform/tests/interfaces/user-timing.idl
new file mode 100644
index 0000000000..28ee8aac2b
--- /dev/null
+++ b/testing/web-platform/tests/interfaces/user-timing.idl
@@ -0,0 +1,34 @@
+// GENERATED CONTENT - DO NOT EDIT
+// Content was automatically extracted by Reffy into webref
+// (https://github.com/w3c/webref)
+// Source: User Timing Level 3 (https://w3c.github.io/user-timing/)
+
+dictionary PerformanceMarkOptions {
+    any detail;
+    DOMHighResTimeStamp startTime;
+};
+
+dictionary PerformanceMeasureOptions {
+    any detail;
+    (DOMString or DOMHighResTimeStamp) start;
+    DOMHighResTimeStamp duration;
+    (DOMString or DOMHighResTimeStamp) end;
+};
+
+partial interface Performance {
+    PerformanceMark mark(DOMString markName, optional PerformanceMarkOptions markOptions = {});
+    undefined clearMarks(optional DOMString markName);
+    PerformanceMeasure measure(DOMString measureName, optional (DOMString or PerformanceMeasureOptions) startOrMeasureOptions = {}, optional DOMString endMark);
+    undefined clearMeasures(optional DOMString measureName);
+};
+
+[Exposed=(Window,Worker)]
+interface PerformanceMark : PerformanceEntry {
+  constructor(DOMString markName, optional PerformanceMarkOptions markOptions = {});
+  readonly attribute any detail;
+};
+
+[Exposed=(Window,Worker)]
+interface PerformanceMeasure : PerformanceEntry {
+  readonly attribute any detail;
+};