diff --git a/toolkit/components/passwordmgr/.eslintrc b/toolkit/components/passwordmgr/.eslintrc
index fd49a0b7d53d..26c02ed9e20e 100644
--- a/toolkit/components/passwordmgr/.eslintrc
+++ b/toolkit/components/passwordmgr/.eslintrc
@@ -4,6 +4,9 @@
     // Require spacing around =>
     "arrow-spacing": 2,
 
+    // No newline before open brace for a block
+    "brace-style": [2, "1tbs", {"allowSingleLine": true}],
+
     // No space before always a space after a comma
     "comma-spacing": [2, {"before": false, "after": true}],
 
diff --git a/toolkit/components/passwordmgr/LoginHelper.jsm b/toolkit/components/passwordmgr/LoginHelper.jsm
index 9f7de0461143..e5fed061d496 100644
--- a/toolkit/components/passwordmgr/LoginHelper.jsm
+++ b/toolkit/components/passwordmgr/LoginHelper.jsm
@@ -89,8 +89,7 @@ this.LoginHelper = {
    * @throws String with English message in case validation failed.
    */
   checkLoginValues(aLogin) {
-    function badCharacterPresent(l, c)
-    {
+    function badCharacterPresent(l, c) {
       return ((l.formSubmitURL && l.formSubmitURL.indexOf(c) != -1) ||
               (l.httpRealm     && l.httpRealm.indexOf(c)     != -1) ||
                                   l.hostname.indexOf(c)      != -1  ||
diff --git a/toolkit/components/passwordmgr/LoginImport.jsm b/toolkit/components/passwordmgr/LoginImport.jsm
index 75db3892ca1d..a1904a3d40ce 100644
--- a/toolkit/components/passwordmgr/LoginImport.jsm
+++ b/toolkit/components/passwordmgr/LoginImport.jsm
@@ -45,8 +45,7 @@ XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
  * @param aPath
  *        String containing the file path of the SQLite login database.
  */
-this.LoginImport = function (aStore, aPath)
-{
+this.LoginImport = function (aStore, aPath) {
   this.store = aStore;
   this.path = aPath;
 }
diff --git a/toolkit/components/passwordmgr/LoginStore.jsm b/toolkit/components/passwordmgr/LoginStore.jsm
index 1f75b83dac12..e17c3f6356c7 100644
--- a/toolkit/components/passwordmgr/LoginStore.jsm
+++ b/toolkit/components/passwordmgr/LoginStore.jsm
@@ -126,8 +126,7 @@ const PERMISSION_SAVE_LOGINS = "login-saving";
  * @param aPath
  *        String containing the file path where data should be saved.
  */
-function LoginStore(aPath)
-{
+function LoginStore(aPath) {
   this.path = aPath;
 
   this._saver = new DeferredTask(() => this.save(), kSaveDelayMs);
@@ -162,8 +161,7 @@ LoginStore.prototype = {
    * @resolves When the operation finished successfully.
    * @rejects JavaScript exception.
    */
-  load: function ()
-  {
+  load() {
     return Task.spawn(function* () {
       try {
         let bytes = yield OS.File.read(this.path);
@@ -214,8 +212,7 @@ LoginStore.prototype = {
   /**
    * Loads persistent data from the file to memory, synchronously.
    */
-  ensureDataReady: function ()
-  {
+  ensureDataReady() {
     if (this.dataReady) {
       return;
     }
@@ -266,8 +263,7 @@ LoginStore.prototype = {
   /**
    * Synchronously work on the data just loaded into memory.
    */
-  _processLoadedData: function ()
-  {
+  _processLoadedData() {
     // Create any arrays that are not present in the saved file.
     if (!this.data.logins) {
       this.data.logins = [];
@@ -307,8 +303,7 @@ LoginStore.prototype = {
   /**
    * Called when the data changed, this triggers asynchronous serialization.
    */
-  saveSoon: function ()
-  {
+  saveSoon() {
     return this._saver.arm();
   },
 
@@ -326,8 +321,7 @@ LoginStore.prototype = {
    * @resolves When the operation finished successfully.
    * @rejects JavaScript exception.
    */
-  save: function ()
-  {
+  save() {
     return Task.spawn(function* () {
       // Create or overwrite the file.
       let bytes = gTextEncoder.encode(JSON.stringify(this.data));
diff --git a/toolkit/components/passwordmgr/content/passwordManager.js b/toolkit/components/passwordmgr/content/passwordManager.js
index 59a54deaf076..bba35aeefceb 100644
--- a/toolkit/components/passwordmgr/content/passwordManager.js
+++ b/toolkit/components/passwordmgr/content/passwordManager.js
@@ -486,8 +486,7 @@ function HandleSignonKeyPress(e) {
   }
   if (e.keyCode == KeyboardEvent.DOM_VK_DELETE ||
       (AppConstants.platform == "macosx" &&
-       e.keyCode == KeyboardEvent.DOM_VK_BACK_SPACE))
-  {
+       e.keyCode == KeyboardEvent.DOM_VK_BACK_SPACE)) {
     DeleteSignon();
   }
 }
diff --git a/toolkit/components/passwordmgr/nsLoginManagerPrompter.js b/toolkit/components/passwordmgr/nsLoginManagerPrompter.js
index 622261461cd3..29325e419d2c 100644
--- a/toolkit/components/passwordmgr/nsLoginManagerPrompter.js
+++ b/toolkit/components/passwordmgr/nsLoginManagerPrompter.js
@@ -661,8 +661,7 @@ LoginManagerPrompter.prototype = {
 
       this._factory._asyncPrompts[hashKey] = asyncPrompt;
       this._factory._doAsyncPrompt();
-    }
-    catch (e) {
+    } catch (e) {
       Components.utils.reportError("LoginManagerPrompter: " +
           "asyncPromptAuth: " + e + "\nFalling back to promptAuth\n");
       // Fail the prompt operation to let the consumer fall back
@@ -907,8 +906,7 @@ LoginManagerPrompter.prototype = {
       accessKey: this._getLocalizedString(initialMsgNames.buttonAccessKey),
       callback: () => {
         histogram.add(PROMPT_ADD_OR_UPDATE);
-        if (histogramName == "PWMGR_PROMPT_REMEMBER_ACTION")
-        {
+        if (histogramName == "PWMGR_PROMPT_REMEMBER_ACTION") {
           Services.obs.notifyObservers(null, 'LoginStats:NewSavedPassword', null);
         }
         readDataFromUI();
diff --git a/toolkit/components/passwordmgr/storage-json.js b/toolkit/components/passwordmgr/storage-json.js
index abcf46070c43..9d14cfd2ee04 100644
--- a/toolkit/components/passwordmgr/storage-json.js
+++ b/toolkit/components/passwordmgr/storage-json.js
@@ -180,8 +180,7 @@ this.LoginManagerStorage_json.prototype = {
 
     // Check if the new GUID is duplicate.
     if (newLogin.guid != oldStoredLogin.guid &&
-        !this._isGuidUnique(newLogin.guid))
-    {
+        !this._isGuidUnique(newLogin.guid)) {
       throw new Error("specified GUID already exists");
     }
 
diff --git a/toolkit/components/passwordmgr/storage-mozStorage.js b/toolkit/components/passwordmgr/storage-mozStorage.js
index b939f55aeb27..8cef12b29381 100644
--- a/toolkit/components/passwordmgr/storage-mozStorage.js
+++ b/toolkit/components/passwordmgr/storage-mozStorage.js
@@ -27,8 +27,7 @@ function Transaction(aDatabase) {
   try {
     this._db.beginTransaction();
     this._hasTransaction = true;
-  }
-  catch (e) { /* om nom nom exceptions */ }
+  } catch (e) { /* om nom nom exceptions */ }
 }
 
 Transaction.prototype = {
@@ -335,8 +334,7 @@ LoginManagerStorage_mozStorage.prototype = {
 
     // Check if the new GUID is duplicate.
     if (newLogin.guid != oldStoredLogin.guid &&
-        !this._isGuidUnique(newLogin.guid))
-    {
+        !this._isGuidUnique(newLogin.guid)) {
       throw new Error("specified GUID already exists");
     }
 
diff --git a/toolkit/components/passwordmgr/test/.eslintrc b/toolkit/components/passwordmgr/test/.eslintrc
index e116c5d14a1f..6c4908066032 100644
--- a/toolkit/components/passwordmgr/test/.eslintrc
+++ b/toolkit/components/passwordmgr/test/.eslintrc
@@ -4,6 +4,7 @@
     "../../../../testing/mochitest/chrome.eslintrc"
   ],
   "rules": {
+    "brace-style": 0,
     "no-undef": 0,
     "no-unused-vars": 0,
   },