Extend expiration of remove-old-web-state-restore

Fixed: 340022680
Change-Id: I5897a833f8e8cc5f94e0c578eaee7ba397feb446
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5623910
Commit-Queue: Mike Dougherty <michaeldo@chromium.org>
Auto-Submit: Mike Dougherty <michaeldo@chromium.org>
Reviewed-by: Tina Wang <tinazwang@chromium.org>
Commit-Queue: Tina Wang <tinazwang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1313812}
diff --git a/chrome/browser/flag-metadata.json b/chrome/browser/flag-metadata.json
index 15e543c..3abeb8e6 100644
--- a/chrome/browser/flag-metadata.json
+++ b/chrome/browser/flag-metadata.json
@@ -7633,7 +7633,7 @@
   {
     "name": "remove-old-web-state-restore",
     "owners": [ "michaeldo@chromium.org", "bling-flags@google.com" ],
-    "expiry_milestone": 127
+    "expiry_milestone": 128
   },
   {
     "name": "render-arc-notifications-by-chrome",