Replacing setTimeout in auto-lock time limit with chrome alarm (#15931)

app/manifest/v3/_base.json

@@ -67,6 +67,7 @@
   "name": "__MSG_appName__",
   "permissions": [
     "activeTab",
+    "alarms",
     "clipboardWrite",
     "notifications",
     "scripting",

app/scripts/controllers/app-state.js

@@ -2,6 +2,8 @@ import EventEmitter from 'events';
 import { ObservableStore } from '@metamask/obs-store';
 import { METAMASK_CONTROLLER_EVENTS } from '../metamask-controller';
 import { MINUTE } from '../../../shared/constants/time';
+import { AUTO_LOCK_TIMEOUT_ALARM } from '../../../shared/constants/alarms';
+import { isManifestV3 } from '../../../shared/modules/mv3.utils';
 
 export default class AppStateController extends EventEmitter {
   /**
@@ -187,22 +189,45 @@ export default class AppStateController extends EventEmitter {
    *
    * @private
    */
+  /* eslint-disable no-undef */
   _resetTimer() {
     const { timeoutMinutes } = this.store.getState();
 
     if (this.timer) {
+      if (isManifestV3) {
+        chrome.alarms.clear(AUTO_LOCK_TIMEOUT_ALARM);
+      } else {
         clearTimeout(this.timer);
       }
+    }
 
     if (!timeoutMinutes) {
       return;
     }
 
+    if (isManifestV3) {
+      chrome.alarms.create(AUTO_LOCK_TIMEOUT_ALARM, {
+        delayInMinutes: timeoutMinutes,
+        periodInMinutes: timeoutMinutes,
+      });
+      chrome.alarms.onAlarm.addListener(() => {
+        chrome.alarms.getAll((alarms) => {
+          const hasAlarm = alarms.find(
+            (alarm) => alarm.name === AUTO_LOCK_TIMEOUT_ALARM,
+          );
+          if (hasAlarm) {
+            this.onInactiveTimeout();
+            chrome.alarms.clear(AUTO_LOCK_TIMEOUT_ALARM);
+          }
+        });
+      });
+    } else {
       this.timer = setTimeout(
         () => this.onInactiveTimeout(),
         timeoutMinutes * MINUTE,
       );
     }
+  }
 
   /**
    * Sets the current browser and OS environment

shared/constants/alarms.js

@@ -0,0 +1 @@
+export const AUTO_LOCK_TIMEOUT_ALARM = 'AUTO_LOCK_TIMEOUT_ALARM';