tor-browser

commit bce4b78eddce4c8fe675671513f04485d2db6241
parent 398e1b51f819bab472d646032349dcfc146a17a6
Author: Duncan McIntosh <dmcintosh@mozilla.com>
Date:   Fri, 19 Dec 2025 19:17:21 +0000

Bug 2000947 - Part 3: Return the removed TaskbarTab from TaskbarTabsRegistry.removeTaskbarTab. r=nrishel

Differential Revision: https://phabricator.services.mozilla.com/D275326

Diffstat:
M
browser/components/taskbartabs/TaskbarTabsRegistry.sys.mjs
 | 
8
++++++--
M
browser/components/taskbartabs/test/xpcshell/test_TaskbarTabsRegistry.js
 | 
12
+++++++++++-

2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/browser/components/taskbartabs/TaskbarTabsRegistry.sys.mjs b/browser/components/taskbartabs/TaskbarTabsRegistry.sys.mjs
@@ -286,6 +286,8 @@ export class TaskbarTabsRegistry {
    * Removes a Taskbar Tab.
    *
    * @param {string} aId - The ID of the TaskbarTab to remove.
+   * @returns {TaskbarTab?} The removed taskbar tab, or null if it wasn't
+   * found.
    */
   removeTaskbarTab(aId) {
     let tts = this.#taskbarTabs;
@@ -299,9 +301,11 @@ export class TaskbarTabsRegistry {
 
       Glean.webApp.uninstall.record({});
       this.#emitter.emit(kTaskbarTabsRegistryEvents.removed, removed[0]);
-    } else {
-      lazy.logConsole.error(`Taskbar Tab ID ${aId} not found.`);
+      return removed[0];
     }
+
+    lazy.logConsole.error(`Taskbar Tab ID ${aId} not found.`);
+    return null;
   }
 
   /**
diff --git a/browser/components/taskbartabs/test/xpcshell/test_TaskbarTabsRegistry.js b/browser/components/taskbartabs/test/xpcshell/test_TaskbarTabsRegistry.js
@@ -91,12 +91,22 @@ add_task(async function test_remove_taskbar_tab() {
     "Taskbar Tab ID should match the ID returned on creation."
   );
 
-  registry.removeTaskbarTab(taskbarTab.id);
+  Assert.deepEqual(
+    registry.removeTaskbarTab(taskbarTab.id),
+    taskbarTab,
+    "The removed Taskbar Tab was removed"
+  );
 
   Assert.ok(
     !registry.findTaskbarTab(url, userContextId),
     "Taskbar Tab ID should be removed."
   );
+
+  Assert.strictEqual(
+    registry.removeTaskbarTab(taskbarTab.id),
+    null,
+    "Null was returned since no Taskbar Tab with that ID exists"
+  );
 });
 
 add_task(async function test_container_mismatch() {