Update chrome://serviceworker-internals when ServiceWorker is unregistered.

content/browser/resources/service_worker/serviceworker_internals.js

Index: content/browser/resources/service_worker/serviceworker_internals.js
diff --git a/content/browser/resources/service_worker/serviceworker_internals.js b/content/browser/resources/service_worker/serviceworker_internals.js
index 7ffa11fb8846eafa8c4008855bee0c301107a2ad..ec2132c985ec66df5c642018ecf2cd4f3f4dc43c 100644
--- a/content/browser/resources/service_worker/serviceworker_internals.js
+++ b/content/browser/resources/service_worker/serviceworker_internals.js
@@ -133,6 +133,14 @@ cr.define('serviceworker', function() {
         update();
     }
 
+    function onRegistrationStored(scope) {
+        update();
+    }
+
+    function onRegistrationDeleted(scope) {
+        update();
+    }
+
     function outputLogMessage(partition_id, version_id, message) {
         if (!(partition_id in allLogMessages)) {
             allLogMessages[partition_id] = {};
@@ -164,6 +172,8 @@ cr.define('serviceworker', function() {
         onErrorReported: onErrorReported,
         onConsoleMessageReported: onConsoleMessageReported,
         onVersionStateChanged: onVersionStateChanged,
+        onRegistrationStored: onRegistrationStored,
+        onRegistrationDeleted: onRegistrationDeleted,
     };
 });