Adding upstream version 125.0.1.upstream/125.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

39 files changed, 64 insertions, 64 deletions

diff --git a/toolkit/components/extensions/test/mochitest/chrome_cleanup_script.js b/toolkit/components/extensions/test/mochitest/chrome_cleanup_script.js
index 9afa95f302..2c54bea61c 100644
--- a/toolkit/components/extensions/test/mochitest/chrome_cleanup_script.js
+++ b/toolkit/components/extensions/test/mochitest/chrome_cleanup_script.js
@@ -35,7 +35,7 @@ for (let win of iterBrowserWindows()) {
   initialTabs.set(win, new Set(getBrowserApp(win).tabs));
 }
 
-addMessageListener("check-cleanup", extensionId => {
+addMessageListener("check-cleanup", () => {
   Services.console.unregisterListener(listener);
 
   let results = {
diff --git a/toolkit/components/extensions/test/mochitest/file_indexedDB.html b/toolkit/components/extensions/test/mochitest/file_indexedDB.html
index 65b7e0ad2f..ce4b96f079 100644
--- a/toolkit/components/extensions/test/mochitest/file_indexedDB.html
+++ b/toolkit/components/extensions/test/mochitest/file_indexedDB.html
@@ -15,7 +15,7 @@ request.onupgradeneeded = event => {
   let objectStore = db.createObjectStore(objectStoreName,
                                          {autoIncrement: 0});
   request = objectStore.add(test.value, test.key);
-  request.onsuccess = event => {
+  request.onsuccess = () => {
     db.close();
     window.postMessage("indexedDBCreated", "*");
   };
diff --git a/toolkit/components/extensions/test/mochitest/file_simple_iframe_worker.html b/toolkit/components/extensions/test/mochitest/file_simple_iframe_worker.html
index 2ecc24e648..d0c2f59844 100644
--- a/toolkit/components/extensions/test/mochitest/file_simple_iframe_worker.html
+++ b/toolkit/components/extensions/test/mochitest/file_simple_iframe_worker.html
@@ -11,12 +11,12 @@
 
 fetch("file_simple_iframe.txt");
 const worker = new Worker("file_simple_worker.js?iniframe=true");
-worker.onmessage = (msg) => {
+worker.onmessage = () => {
   worker.postMessage("file_simple_iframe_worker.txt");
 }
 
 const sharedworker = new SharedWorker("file_simple_sharedworker.js?iniframe=true");
-sharedworker.port.onmessage = (msg) => {
+sharedworker.port.onmessage = () => {
   sharedworker.port.postMessage("file_simple_iframe_sharedworker.txt");
 }
 sharedworker.port.start();
diff --git a/toolkit/components/extensions/test/mochitest/file_simple_webrequest_worker.html b/toolkit/components/extensions/test/mochitest/file_simple_webrequest_worker.html
index a90c4509be..792fc5621b 100644
--- a/toolkit/components/extensions/test/mochitest/file_simple_webrequest_worker.html
+++ b/toolkit/components/extensions/test/mochitest/file_simple_webrequest_worker.html
@@ -11,12 +11,12 @@
 
 fetch("file_simple_toplevel.txt");
 const worker = new Worker("file_simple_worker.js");
-worker.onmessage = (msg) => {
+worker.onmessage = () => {
   worker.postMessage("file_simple_worker.txt");
 }
 
 const sharedworker = new SharedWorker("file_simple_sharedworker.js");
-sharedworker.port.onmessage = (msg) => {
+sharedworker.port.onmessage = () => {
   dump(`postMessage to sharedworker\n`);
   sharedworker.port.postMessage("file_simple_sharedworker.txt");
 }
diff --git a/toolkit/components/extensions/test/mochitest/head_cookies.js b/toolkit/components/extensions/test/mochitest/head_cookies.js
index 610c800c94..80c7f96266 100644
--- a/toolkit/components/extensions/test/mochitest/head_cookies.js
+++ b/toolkit/components/extensions/test/mochitest/head_cookies.js
@@ -30,7 +30,7 @@ async function testCookies(options) {
     let { url, domain, secure } = backgroundOptions;
 
     let failures = 0;
-    let tallyFailure = error => {
+    let tallyFailure = () => {
       failures++;
     };
 
diff --git a/toolkit/components/extensions/test/mochitest/head_webrequest.js b/toolkit/components/extensions/test/mochitest/head_webrequest.js
index 9e6b5cc910..c40fd06619 100644
--- a/toolkit/components/extensions/test/mochitest/head_webrequest.js
+++ b/toolkit/components/extensions/test/mochitest/head_webrequest.js
@@ -200,7 +200,7 @@ function background(events) {
   }
 
   let listeners = {
-    onBeforeRequest(expected, details, result) {
+    onBeforeRequest(expected, details) {
       // Save some values to test request consistency in later events.
       browser.test.assertTrue(
         details.tabId !== undefined,
@@ -263,7 +263,7 @@ function background(events) {
       }
     },
     onBeforeRedirect() {},
-    onSendHeaders(expected, details, result) {
+    onSendHeaders(expected, details) {
       if (expected.headers && expected.headers.request) {
         checkHeaders("request", expected, details);
       }
@@ -287,7 +287,7 @@ function background(events) {
     onAuthRequired(expected, details, result) {
       result.authCredentials = expected.authInfo;
     },
-    onCompleted(expected, details, result) {
+    onCompleted(expected, details) {
       // If we have already completed a GET request for this url,
       // and it was found, we expect for the response to come fromCache.
       // expected.cached may be undefined, force boolean.
@@ -322,7 +322,7 @@ function background(events) {
         checkHeaders("response", expected, details);
       }
     },
-    onErrorOccurred(expected, details, result) {
+    onErrorOccurred(expected, details) {
       if (expected.error) {
         if (Array.isArray(expected.error)) {
           browser.test.assertTrue(
diff --git a/toolkit/components/extensions/test/mochitest/mochitest-common.toml b/toolkit/components/extensions/test/mochitest/mochitest-common.toml
index 51a851a74b..782069a79c 100644
--- a/toolkit/components/extensions/test/mochitest/mochitest-common.toml
+++ b/toolkit/components/extensions/test/mochitest/mochitest-common.toml
@@ -130,6 +130,7 @@ skip-if = ["os == 'android'"] # only the current window is supported - bug 17959
 ["test_ext_browserAction_openPopup_without_pref.html"]
 
 ["test_ext_browserSettings_overrideDocumentColors.html"]
+skip-if = ["os == 'android'"] # bug 1876317
 
 ["test_ext_browsingData_indexedDB.html"]
 skip-if = [
diff --git a/toolkit/components/extensions/test/mochitest/test_chrome_ext_downloads_saveAs.html b/toolkit/components/extensions/test/mochitest/test_chrome_ext_downloads_saveAs.html
index 4b5d90814c..b026ea6245 100644
--- a/toolkit/components/extensions/test/mochitest/test_chrome_ext_downloads_saveAs.html
+++ b/toolkit/components/extensions/test/mochitest/test_chrome_ext_downloads_saveAs.html
@@ -78,7 +78,7 @@ add_task(async function test_downloads_saveAs() {
   defaultFile.append(DOWNLOAD_FILENAME);
 
   const {MockFilePicker} = SpecialPowers;
-  MockFilePicker.init(window);
+  MockFilePicker.init(SpecialPowers.wrap(window).browsingContext);
 
   function mockFilePickerCallback(expectedStartingDir, pickedFile) {
     return fp => {
diff --git a/toolkit/components/extensions/test/mochitest/test_chrome_ext_downloads_uniquify.html b/toolkit/components/extensions/test/mochitest/test_chrome_ext_downloads_uniquify.html
index 99a6c48500..35a0bb13df 100644
--- a/toolkit/components/extensions/test/mochitest/test_chrome_ext_downloads_uniquify.html
+++ b/toolkit/components/extensions/test/mochitest/test_chrome_ext_downloads_uniquify.html
@@ -42,7 +42,7 @@ add_task(async function test_downloads_uniquify() {
   unique.append("file_download(1).txt");
 
   const {MockFilePicker} = SpecialPowers;
-  MockFilePicker.init(window);
+  MockFilePicker.init(SpecialPowers.wrap(window).browsingContext);
   MockFilePicker.returnValue = MockFilePicker.returnOK;
 
   MockFilePicker.showCallback = fp => {
diff --git a/toolkit/components/extensions/test/mochitest/test_chrome_ext_permissions.html b/toolkit/components/extensions/test/mochitest/test_chrome_ext_permissions.html
index 65bf0a50d0..98a9fed30e 100644
--- a/toolkit/components/extensions/test/mochitest/test_chrome_ext_permissions.html
+++ b/toolkit/components/extensions/test/mochitest/test_chrome_ext_permissions.html
@@ -67,7 +67,7 @@ function makeTest(manifestPermissions, optionalPermissions, checkFetch = true) {
           let url = new URL(window.location.pathname, "http://example.com/");
           fetch(url, {}).then(response => {
             browser.test.sendMessage("fetch.result", response.ok);
-          }).catch(err => {
+          }).catch(() => {
             browser.test.sendMessage("fetch.result", false);
           });
         },
diff --git a/toolkit/components/extensions/test/mochitest/test_chrome_ext_webrequest_background_events.html b/toolkit/components/extensions/test/mochitest/test_chrome_ext_webrequest_background_events.html
index 4caa4d2464..3f824276d6 100644
--- a/toolkit/components/extensions/test/mochitest/test_chrome_ext_webrequest_background_events.html
+++ b/toolkit/components/extensions/test/mochitest/test_chrome_ext_webrequest_background_events.html
@@ -38,7 +38,7 @@ let testExtension = {
       "onCompleted",
     ];
 
-    function listener(name, details) {
+    function listener(name) {
       // If we get anything, we failed.  Removing the system principal check
       // in ext-webrequest triggers this failure.
       browser.test.fail(`received ${name}`);
@@ -58,7 +58,7 @@ add_task(async function test_webRequest_chromeworker_events() {
   await extension.startup();
   await new Promise(resolve => {
     let worker = new ChromeWorker("webrequest_chromeworker.js");
-    worker.onmessage = event => {
+    worker.onmessage = () => {
       ok("chrome worker fetch finished");
       resolve();
     };
diff --git a/toolkit/components/extensions/test/mochitest/test_chrome_ext_webrequest_mozextension.html b/toolkit/components/extensions/test/mochitest/test_chrome_ext_webrequest_mozextension.html
index 6a41b9cf08..36de902180 100644
--- a/toolkit/components/extensions/test/mochitest/test_chrome_ext_webrequest_mozextension.html
+++ b/toolkit/components/extensions/test/mochitest/test_chrome_ext_webrequest_mozextension.html
@@ -82,7 +82,7 @@ add_task(async function test_webRequest_mozextension_fetch() {
       browser.test.sendMessage("request-complete");
     }, {urls: [browser.runtime.getURL("*")]});
 
-    browser.test.onMessage.addListener((msg, data) => {
+    browser.test.onMessage.addListener(() => {
       fetch(page).then(() => {
         browser.test.notifyPass("fetch success");
         browser.test.sendMessage("done");
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_activityLog.html b/toolkit/components/extensions/test/mochitest/test_ext_activityLog.html
index c426913373..ac0ec974dc 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_activityLog.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_activityLog.html
@@ -27,7 +27,7 @@ add_task(async function test_api() {
       // This privileged test extension should not affect the webRequest
       // data received by non-privileged extensions (See Bug 1576272).
       browser.webRequest.onBeforeRequest.addListener(
-        details => {
+        () => {
           return { cancel: false };
         },
         { urls: ["http://mochi.test/*/file_sample.html"] },
@@ -79,7 +79,7 @@ add_task(async function test_api() {
         browser.storage.onChanged.removeListener(listen);
 
         // Test a parent event manager.
-        let webRequestListener = details => {
+        let webRequestListener = () => {
           browser.webRequest.onBeforeRequest.removeListener(webRequestListener);
           return { cancel: false };
         };
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_async_clipboard.html b/toolkit/components/extensions/test/mochitest/test_ext_async_clipboard.html
index 4bd8339357..708b5522c3 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_async_clipboard.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_async_clipboard.html
@@ -154,7 +154,7 @@ add_task(async function test_contentscript_clipboard_permission_writetext() {
     clipboardWriteText(str).then(function() {
       // nothing here
       browser.test.sendMessage("ready");
-    }, function(err) {
+    }, function() {
       browser.test.fail("WriteText promise rejected");
       browser.test.sendMessage("ready");
     }); // clipboardWriteText
@@ -196,7 +196,7 @@ add_task(async function test_contentscript_clipboard_permission_readtext() {
         browser.test.fail("ReadText read the wrong thing from clipboard:" + strData);
       }
       browser.test.sendMessage("ready");
-    }, function(err) {
+    }, function() {
       browser.test.fail("ReadText promise rejected");
       browser.test.sendMessage("ready");
     }); // clipboardReadText
@@ -237,7 +237,7 @@ add_task(async function test_contentscript_clipboard_permission_write() {
     clipboardWrite([item]).then(function() {
       // nothing here
       browser.test.sendMessage("ready");
-    }, function(err) { // clipboardWrite promise error function
+    }, function() { // clipboardWrite promise error function
       browser.test.fail("Write promise rejected");
       browser.test.sendMessage("ready");
     }); // clipboard write
@@ -280,7 +280,7 @@ add_task(async function test_contentscript_clipboard_permission_read() {
         browser.test.fail("Read read the wrong string from clipboard:" + s);
       }
       browser.test.sendMessage("ready");
-    }, function(err) { // clipboardRead promise error function
+    }, function() { // clipboardRead promise error function
       browser.test.fail("Read promise rejected");
       browser.test.sendMessage("ready");
     }); // clipboard read
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_browsingData_indexedDB.html b/toolkit/components/extensions/test/mochitest/test_ext_browsingData_indexedDB.html
index f8ea41ddab..0d417cbb5f 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_browsingData_indexedDB.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_browsingData_indexedDB.html
@@ -52,7 +52,7 @@ add_task(async function testIndexedDB() {
     // eslint-disable-next-line mozilla/balanced-listeners
     window.addEventListener(
       "message",
-      msg => {
+      () => {
         browser.test.sendMessage("indexedDBCreated");
       },
       true
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_browsingData_localStorage.html b/toolkit/components/extensions/test/mochitest/test_ext_browsingData_localStorage.html
index 2fd608f125..0e36139f14 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_browsingData_localStorage.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_browsingData_localStorage.html
@@ -177,7 +177,7 @@ add_task(async function testLocalStorage() {
 
       function awaitLoad(tabId) {
         return new Promise(resolve => {
-          browser.tabs.onUpdated.addListener(function listener(tabId_, changed, tab) {
+          browser.tabs.onUpdated.addListener(function listener(tabId_, changed) {
             if (tabId == tabId_ && changed.status == "complete") {
               browser.tabs.onUpdated.removeListener(listener);
               resolve();
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_browsingData_serviceWorkers.html b/toolkit/components/extensions/test/mochitest/test_ext_browsingData_serviceWorkers.html
index d8ebd8e225..36ec448ccd 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_browsingData_serviceWorkers.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_browsingData_serviceWorkers.html
@@ -33,7 +33,7 @@ add_task(async function testServiceWorkers() {
     const PAGE =
       "/tests/toolkit/components/extensions/test/mochitest/file_serviceWorker.html";
 
-    browser.runtime.onMessage.addListener(msg => {
+    browser.runtime.onMessage.addListener(() => {
       browser.test.sendMessage("serviceWorkerRegistered");
     });
 
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_browsingData_settings.html b/toolkit/components/extensions/test/mochitest/test_ext_browsingData_settings.html
index 11c690e5bf..b36daf9b8d 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_browsingData_settings.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_browsingData_settings.html
@@ -42,16 +42,16 @@ add_task(async function testSettings() {
   // Verify that we get the keys back we expect.
   isDeeply(
     Object.entries(settings.dataToRemove)
-      .filter(([key, value]) => value)
-      .map(([key, value]) => key)
+      .filter(([, value]) => value)
+      .map(([key]) => key)
       .sort(),
     SETTINGS_LIST,
     "dataToRemove contains expected properties."
   );
   isDeeply(
     Object.entries(settings.dataRemovalPermitted)
-      .filter(([key, value]) => value)
-      .map(([key, value]) => key)
+      .filter(([, value]) => value)
+      .map(([key]) => key)
       .sort(),
     SETTINGS_LIST,
     "dataToRemove contains expected properties."
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_exclude_include_globs.html b/toolkit/components/extensions/test/mochitest/test_ext_exclude_include_globs.html
index f87b5620d6..8d425656e0 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_exclude_include_globs.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_exclude_include_globs.html
@@ -14,7 +14,7 @@
 
 add_task(async function test_contentscript() {
   function background() {
-    browser.runtime.onMessage.addListener(([script], sender) => {
+    browser.runtime.onMessage.addListener(([script]) => {
       browser.test.sendMessage("run", {script});
       browser.test.sendMessage("run-" + script);
     });
@@ -65,7 +65,7 @@ add_task(async function test_contentscript() {
   let extension = ExtensionTestUtils.loadExtension(extensionData);
 
   let ran = 0;
-  extension.onMessage("run", ({script}) => {
+  extension.onMessage("run", () => {
     ran++;
   });
 
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_extension_iframe_messaging.html b/toolkit/components/extensions/test/mochitest/test_ext_extension_iframe_messaging.html
index 403782ab7d..2b47a9c0f7 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_extension_iframe_messaging.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_extension_iframe_messaging.html
@@ -72,7 +72,7 @@ add_task(async function test_moz_extension_iframe_messaging() {
       },
     },
     background() {
-      browser.test.onMessage.addListener(async msg => {
+      browser.test.onMessage.addListener(async () => {
 
         await browser.test.assertRejects(
           browser.runtime.sendMessage("from-background"),
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_redirect_jar.html b/toolkit/components/extensions/test/mochitest/test_ext_redirect_jar.html
index 18ff14a6de..c21b18de95 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_redirect_jar.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_redirect_jar.html
@@ -46,7 +46,7 @@ function getExtension() {
     },
     background: async () => {
       let redirectUrl = browser.runtime.getURL("finished.html");
-      browser.webRequest.onBeforeRequest.addListener(details => {
+      browser.webRequest.onBeforeRequest.addListener(() => {
         return {redirectUrl};
       }, {urls: ["*://*/intercept*"]}, ["blocking"]);
 
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_request_urlClassification.html b/toolkit/components/extensions/test/mochitest/test_ext_request_urlClassification.html
index a139e94687..fa4bd0a05d 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_request_urlClassification.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_request_urlClassification.html
@@ -115,7 +115,7 @@ add_task(async function teardown() {
     /* eslint-env mozilla/chrome-script */
     // Cleanup cache
     await new Promise(resolve => {
-      Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, value => resolve());
+      Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, () => resolve());
     });
 
     const {UrlClassifierTestUtils} = ChromeUtils.importESModule(
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_sendmessage_doublereply.html b/toolkit/components/extensions/test/mochitest/test_ext_sendmessage_doublereply.html
index ffdbc90efb..6958e906b9 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_sendmessage_doublereply.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_sendmessage_doublereply.html
@@ -41,7 +41,7 @@ function background() {
   }
 
   let done_count = 0;
-  browser.runtime.onMessage.addListener((msg, sender, sendReply) => {
+  browser.runtime.onMessage.addListener((msg, sender) => {
     browser.test.assertTrue(sender.tab.url.endsWith("file_sample.html"), "sender url correct");
 
     if (msg == "done") {
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_sendmessage_reply2.html b/toolkit/components/extensions/test/mochitest/test_ext_sendmessage_reply2.html
index 8cce833b49..5da378de2b 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_sendmessage_reply2.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_sendmessage_reply2.html
@@ -54,7 +54,7 @@ function backgroundScript(token, id, otherId) {
 
 function contentScript(token, id, otherId) {
   let gotContentMessage = false;
-  browser.runtime.onMessage.addListener((msg, sender, sendReply) => {
+  browser.runtime.onMessage.addListener((msg, sender) => {
     browser.test.assertEq(id, sender.id, `${id}: Got expected sender ID`);
 
     browser.test.assertEq(`${token}-contentMessage`, msg,
@@ -83,7 +83,7 @@ function contentScript(token, id, otherId) {
 
 async function tabScript(token, id, otherId) {
   let gotTabMessage = false;
-  browser.runtime.onMessage.addListener((msg, sender, sendReply) => {
+  browser.runtime.onMessage.addListener((msg, sender) => {
     browser.test.assertEq(id, sender.id, `${id}: Got expected sender ID`);
 
     if (String(msg).startsWith("content-")) {
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_storage_cleanup.html b/toolkit/components/extensions/test/mochitest/test_ext_storage_cleanup.html
index 33029cf61e..e6a885a3c7 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_storage_cleanup.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_storage_cleanup.html
@@ -71,7 +71,7 @@ const storageTestHelpers = {
           reject(new Error(`indexedDB open failed with ${e.errorCode}`));
         };
 
-        req.onupgradeneeded = e => {
+        req.onupgradeneeded = () => {
           // no database, data is not present
           resolve(false);
         };
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_streamfilter_multiple.html b/toolkit/components/extensions/test/mochitest/test_ext_streamfilter_multiple.html
index d1bfbd824b..50d7d6cb7d 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_streamfilter_multiple.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_streamfilter_multiple.html
@@ -53,7 +53,7 @@ add_task(async () => {
           filter.ondata = event => {
             filter.write(event.data);
           };
-          filter.onstop = event => {
+          filter.onstop = () => {
             filter.write(new TextEncoder().encode(" End"));
             filter.close();
           };
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_streamfilter_processswitch.html b/toolkit/components/extensions/test/mochitest/test_ext_streamfilter_processswitch.html
index 049178cad0..7240e01c02 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_streamfilter_processswitch.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_streamfilter_processswitch.html
@@ -36,7 +36,7 @@ add_task(async () => {
           filter.ondata = event => {
             filter.write(event.data);
           };
-          filter.onstop = event => {
+          filter.onstop = () => {
             filter.write(new TextEncoder().encode(" End"));
             filter.close();
           };
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_subframes_privileges.html b/toolkit/components/extensions/test/mochitest/test_ext_subframes_privileges.html
index fd034f0b65..f791d08602 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_subframes_privileges.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_subframes_privileges.html
@@ -303,7 +303,7 @@ add_task(async function test_sub_subframe_conduit_verified_env() {
     `,
   };
 
-  async function expectErrors(ext, log) {
+  async function expectErrors(ext) {
     let err = await ext.awaitMessage("content_child");
     is(err, "Bad sender context envType: content_child");
 
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_tabs_executeScript_good.html b/toolkit/components/extensions/test/mochitest/test_ext_tabs_executeScript_good.html
index 9b0f41f789..0704b93be9 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_tabs_executeScript_good.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_tabs_executeScript_good.html
@@ -16,7 +16,7 @@ async function testHasPermission(params) {
   let contentSetup = params.contentSetup || (() => Promise.resolve());
 
   async function background(contentSetup) {
-    browser.runtime.onMessage.addListener((msg, sender) => {
+    browser.runtime.onMessage.addListener((msg) => {
       browser.test.assertEq(msg, "script ran", "script ran");
       browser.test.notifyPass("executeScript");
     });
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_tabs_permissions.html b/toolkit/components/extensions/test/mochitest/test_ext_tabs_permissions.html
index 217139f12b..062e3a79e3 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_tabs_permissions.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_tabs_permissions.html
@@ -69,8 +69,7 @@ const helperExtensionDef = {
               hasTitleChangeInfo = false;
             browser.tabs.onUpdated.addListener(function listener(
               tabId,
-              changeInfo,
-              tab
+              changeInfo
             ) {
               if (changeInfo.url?.endsWith(message.data.urlHash)) {
                 hasURLChangeInfo = true;
@@ -413,7 +412,7 @@ async function test_restricted_properties(
 
       let hasURLChangeInfo = false,
         hasTitleChangeInfo = false;
-      function onUpdateListener(tabId, changeInfo, tab) {
+      function onUpdateListener(tabId, changeInfo) {
         if (changeInfo.url?.endsWith(urlHash)) {
           hasURLChangeInfo = true;
         }
@@ -550,7 +549,7 @@ async function test_onUpdateFilter(testCases, permissions) {
 
     async background() {
       let listenerGotCalled = false;
-      function onUpdateListener(tabId, changeInfo, tab) {
+      function onUpdateListener() {
         listenerGotCalled = true;
       }
 
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_web_accessible_incognito.html b/toolkit/components/extensions/test/mochitest/test_ext_web_accessible_incognito.html
index d1c41d2030..1009eb0496 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_web_accessible_incognito.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_web_accessible_incognito.html
@@ -17,7 +17,7 @@ let image = atob("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAA" +
 const IMAGE_ARRAYBUFFER = Uint8Array.from(image, byte => byte.charCodeAt(0)).buffer;
 
 async function testImageLoading(src, expectedAction) {
-  let imageLoadingPromise = new Promise((resolve, reject) => {
+  let imageLoadingPromise = new Promise((resolve) => {
     let cleanupListeners;
     let testImage = new window.Image();
     // Set the src via wrappedJSObject so the load is triggered with the
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_web_accessible_resources.html b/toolkit/components/extensions/test/mochitest/test_ext_web_accessible_resources.html
index c13e40e265..c8ab397e4a 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_web_accessible_resources.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_web_accessible_resources.html
@@ -27,7 +27,7 @@ const IMAGE_ARRAYBUFFER = Uint8Array.from(image, byte => byte.charCodeAt(0))
 const ANDROID = navigator.userAgent.includes("Android");
 
 async function testImageLoading(src, expectedAction) {
-  let imageLoadingPromise = new Promise((resolve, reject) => {
+  let imageLoadingPromise = new Promise((resolve) => {
     let cleanupListeners;
     let testImage = document.createElement("img");
     // Set the src via wrappedJSObject so the load is triggered with the
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_auth.html b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_auth.html
index f260f040a1..ec5f00a18c 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_auth.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_auth.html
@@ -79,13 +79,13 @@ add_task(async function test_webRequest_auth_nonblocking_forwardAuthProvider() {
                                                 "nsIAuthPrompt2"]),
         getInterface: ChromeUtils.generateQI(["nsIAuthPromptProvider",
                                               "nsIAuthPrompt2"]),
-        promptAuth(channel, level, authInfo) {
+        promptAuth() {
           throw Components.Exception("", Cr.NS_ERROR_NO_INTERFACE);
         },
-        getAuthPrompt(reason, iid) {
+        getAuthPrompt() {
           return this;
         },
-        asyncPromptAuth(channel, callback, context, level, authInfo) {
+        asyncPromptAuth(channel, callback, context) {
           // We just cancel here, we're only ensuring that non-webrequest
           // notificationcallbacks get called if webrequest doesn't handle it.
           Promise.resolve().then(() => {
@@ -138,10 +138,10 @@ add_task(async function test_webRequest_auth_nonblocking_forwardAuthPrompt2() {
         QueryInterface: ChromeUtils.generateQI(["nsIInterfaceRequestor",
                                                 "nsIAuthPrompt2"]),
         getInterface: ChromeUtils.generateQI(["nsIAuthPrompt2"]),
-        promptAuth(request, level, authInfo) {
+        promptAuth() {
           throw Components.Exception("", Cr.NS_ERROR_NO_INTERFACE);
         },
-        asyncPromptAuth(request, callback, context, level, authInfo) {
+        asyncPromptAuth(request) {
           // We just cancel here, we're only ensuring that non-webrequest
           // notificationcallbacks get called if webrequest doesn't handle it.
           Promise.resolve().then(() => {
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_background_events.html b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_background_events.html
index 86cec62fb4..5ac3dccaa7 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_background_events.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_background_events.html
@@ -35,7 +35,7 @@ add_task(async function test_webRequest_serviceworker_events() {
         "onErrorOccurred",
       ]);
 
-      function listener(name, details) {
+      function listener(name) {
         browser.test.assertTrue(eventNames.has(name), `received ${name}`);
         eventNames.delete(name);
         if (name == "onCompleted") {
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_basic.html b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_basic.html
index 9d57d55681..1e769a3156 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_basic.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_basic.html
@@ -303,7 +303,7 @@ add_task(async function test_webRequest_tabId() {
 add_task(async function test_webRequest_tabId_browser() {
   async function background(url) {
     let tabId;
-    browser.test.onMessage.addListener(async (msg, expected) => {
+    browser.test.onMessage.addListener(async (msg) => {
       if (msg == "create") {
         let tab = await browser.tabs.create({url});
         tabId = tab.id;
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_errors.html b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_errors.html
index cbfc5c17e7..d29638b408 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_errors.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_errors.html
@@ -23,7 +23,7 @@ async function test_connection_refused(url, expectedError) {
     }, {urls: ["<all_urls>"]});
 
     let tabId;
-    browser.test.onMessage.addListener(async (msg, expected) => {
+    browser.test.onMessage.addListener(async () => {
       await browser.tabs.remove(tabId);
       browser.test.sendMessage("done");
     });
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_hsts.html b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_hsts.html
index e66b5c471a..7b06a30551 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_hsts.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_hsts.html
@@ -15,13 +15,13 @@ function getExtension() {
   async function background() {
     let expect;
     let urls = ["*://*.example.org/tests/*"];
-    browser.webRequest.onBeforeRequest.addListener(details => {
+    browser.webRequest.onBeforeRequest.addListener(() => {
       browser.test.assertEq(expect.shift(), "onBeforeRequest");
     }, {urls}, ["blocking"]);
-    browser.webRequest.onBeforeSendHeaders.addListener(details => {
+    browser.webRequest.onBeforeSendHeaders.addListener(() => {
       browser.test.assertEq(expect.shift(), "onBeforeSendHeaders");
     }, {urls}, ["blocking", "requestHeaders"]);
-    browser.webRequest.onSendHeaders.addListener(details => {
+    browser.webRequest.onSendHeaders.addListener(() => {
       browser.test.assertEq(expect.shift(), "onSendHeaders");
     }, {urls}, ["requestHeaders"]);
 
@@ -82,10 +82,10 @@ function getExtension() {
       }
       return {responseHeaders: headers};
     }, {urls}, ["blocking", "responseHeaders"]);
-    browser.webRequest.onBeforeRedirect.addListener(details => {
+    browser.webRequest.onBeforeRedirect.addListener(() => {
       browser.test.assertEq(expect.shift(), "onBeforeRedirect");
     }, {urls});
-    browser.webRequest.onResponseStarted.addListener(details => {
+    browser.webRequest.onResponseStarted.addListener(() => {
       browser.test.assertEq(expect.shift(), "onResponseStarted");
     }, {urls});
     browser.webRequest.onCompleted.addListener(details => {
diff --git a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_redirect_bypass_cors.html b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_redirect_bypass_cors.html
index 87dbbd6598..7ba92f5c80 100644
--- a/toolkit/components/extensions/test/mochitest/test_ext_webrequest_redirect_bypass_cors.html
+++ b/toolkit/components/extensions/test/mochitest/test_ext_webrequest_redirect_bypass_cors.html
@@ -57,7 +57,7 @@ add_task(async function test_webRequest_redirect_cors_bypass() {
   let win = window.open(WIN_URL);
   // Creating a message channel to the new tab.
   const channel = new BroadcastChannel("test_bus");
-  await new Promise((resolve, reject) => {
+  await new Promise((resolve) => {
     channel.onmessage = async function(fetch_result) {
       // Fetch result data will either be the text content of file_sample.txt -> 'Sample'
       // or a network-Error.
diff --git a/toolkit/components/extensions/test/mochitest/webrequest_chromeworker.js b/toolkit/components/extensions/test/mochitest/webrequest_chromeworker.js
index 14d3ad2bab..9fb71430bf 100644
--- a/toolkit/components/extensions/test/mochitest/webrequest_chromeworker.js
+++ b/toolkit/components/extensions/test/mochitest/webrequest_chromeworker.js
@@ -2,7 +2,7 @@
 
 /* eslint-env worker */
 
-onmessage = function (event) {
+onmessage = function () {
   fetch("https://example.com/example.txt").then(() => {
     postMessage("Done!");
   });