Bug 1573967 - Add policy to set the default rememberSignons policy. r=MattN,fluent-reviewers,flod

Differential Revision: https://phabricator.services.mozilla.com/D42715

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

browser/components/enterprisepolicies/Policies.jsm

@@ -978,6 +978,12 @@ var Policies = {
     },
   },
 
+  OfferToSaveLoginsDefault: {
+    onBeforeUIStartup(manager, param) {
+      setDefaultPref("signon.rememberSignons", param);
+    },
+  },
+
   OverrideFirstRunPage: {
     onProfileAfterChange(manager, param) {
       let url = param ? param.href : "";

browser/components/enterprisepolicies/schemas/policies-schema.json

@@ -497,6 +497,10 @@
       "type": "boolean"
     },
 
+    "OfferToSaveLoginsDefault": {
+      "type": "boolean"
+    },
+
     "OverrideFirstRunPage": {
       "type": "URLorEmpty"
     },

browser/components/enterprisepolicies/tests/xpcshell/test_simple_pref_policies.js

@@ -456,6 +456,16 @@ const POLICIES_TESTS = [
       "browser.newtabpage.activity-stream.feeds.section.topstories": false,
     },
   },
+
+  // POLICY: OfferToSaveLoginsDefault
+  {
+    policies: {
+      OfferToSaveLoginsDefault: false,
+    },
+    unlockedPrefs: {
+      "signon.rememberSignons": false,
+    },
+  },
 ];
 
 add_task(async function test_policy_simple_prefs() {

browser/locales/en-US/browser/policies/policies-descriptions.ftl

@@ -115,6 +115,8 @@ policy-NoDefaultBookmarks = Disable creation of the default bookmarks bundled wi
 
 policy-OfferToSaveLogins = Enforce the setting to allow { -brand-short-name } to offer to remember saved logins and passwords. Both true and false values are accepted.
 
+policy-OfferToSaveLoginsDefault = Set the default value for allowing { -brand-short-name } to offer to remember saved logins and passwords. Both true and false values are accepted.
+
 policy-OverrideFirstRunPage = Override the first run page. Set this policy to blank if you want to disable the first run page.
 
 policy-OverridePostUpdatePage = Override the post-update “What’s New” page. Set this policy to blank if you want to disable the post-update page.