Bug 1569581 - Use FxAccountsCommon.FXA_PWDMGR_* constants in AboutProtectionsHandler. r=jaws

Differential Revision: https://phabricator.services.mozilla.com/D43168

--HG--
extra : moz-landing-system : lando

browser/components/about/AboutProtectionsHandler.jsm

@@ -20,6 +20,11 @@ ChromeUtils.defineModuleGetter(
   "fxAccounts",
   "resource://gre/modules/FxAccounts.jsm"
 );
+ChromeUtils.defineModuleGetter(
+  this,
+  "FxAccountsCommon",
+  "resource://gre/modules/FxAccountsCommon.js"
+);
 ChromeUtils.defineModuleGetter(
   this,
   "LoginHelper",
@@ -175,9 +180,9 @@ var AboutProtectionsHandler = {
     const userFacingLogins =
       Services.logins.countLogins("", "", "") -
       Services.logins.countLogins(
-        "chrome://FirefoxAccounts",
+        FxAccountsCommon.FXA_PWDMGR_HOST,
         null,
-        "Firefox Accounts credentials"
+        FxAccountsCommon.FXA_PWDMGR_REALM
       );
 
     return {