Accept options in history APIs to allow scroll restoration to be disabled

Source/core/frame/StateOptions.idl

Index: Source/core/frame/StateOptions.idl
diff --git a/Source/modules/notifications/GetNotificationOptions.idl b/Source/core/frame/StateOptions.idl
similarity index 51%
copy from Source/modules/notifications/GetNotificationOptions.idl
copy to Source/core/frame/StateOptions.idl
index 7ed11aaa37b4cbfe28ddabed476bd21526da63af..f4e247036cc83162b61e36988b73603be6f9e0ea 100644
--- a/Source/modules/notifications/GetNotificationOptions.idl
+++ b/Source/core/frame/StateOptions.idl
@@ -2,8 +2,8 @@
 // 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
+// Spec work is being tracked on W3C bug: https://www.w3.org/Bugs/Public/show_bug.cgi?id=28553
 
-dictionary GetNotificationOptions {
-    DOMString tag = "";
+dictionary StateOptions {
+    boolean willRestoreScroll = false;
 };