Sync core/timing/ interfaces with their specs, or lack thereof

Source/core/timing/PerformanceEntryList.idl

Index: Source/core/timing/PerformanceEntryList.idl
diff --git a/Source/modules/notifications/GetNotificationOptions.idl b/Source/core/timing/PerformanceEntryList.idl
similarity index 55%
copy from Source/modules/notifications/GetNotificationOptions.idl
copy to Source/core/timing/PerformanceEntryList.idl
index 7ed11aaa37b4cbfe28ddabed476bd21526da63af..7dea2f2e6751f1d9ce9b0732fe7079e3ed32cc97 100644
--- a/Source/modules/notifications/GetNotificationOptions.idl
+++ b/Source/core/timing/PerformanceEntryList.idl
@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// https://notifications.spec.whatwg.org/#service-worker-api
+// https://w3c.github.io/performance-timeline/#idl-def-PerformanceEntryList
 
-dictionary GetNotificationOptions {
-    DOMString tag = "";
-};
+typedef sequence<PerformanceEntry> PerformanceEntryList;