Bug 1768724 - Part 1: Add a preference and policy for Microsoft SSO on macOS (Non-Necko Part) r=fluent-reviewers,mkaply,mossop,bolsson

Differential Revision: https://phabricator.services.mozilla.com/D212445

browser/components/enterprisepolicies/Policies.sys.mjs

@@ -1638,6 +1638,12 @@ export var Policies = {
     },
   },
 
+  MicrosoftEntraSSO: {
+    onBeforeAddons(manager, param) {
+      setAndLockPref("network.http.microsoft-entra-sso.enabled", param);
+    },
+  },
+
   NetworkPrediction: {
     onBeforeAddons(manager, param) {
       setAndLockPref("network.dns.disablePrefetch", !param);

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

@@ -244,3 +244,5 @@ policy-UseSystemPrintDialog = Print using the system print dialog.
 policy-WebsiteFilter = Block websites from being visited. See documentation for more details on the format.
 
 policy-Windows10SSO = Allow Windows single sign-on for Microsoft, work, and school accounts.
+
+policy-MicrosoftEntraSSO = Allow single sign-on for Microsoft Entra accounts.

toolkit/components/telemetry/app/TelemetryEnvironment.sys.mjs

@@ -337,6 +337,10 @@ const DEFAULT_ENVIRONMENT_PREFS = new Map([
   ["media.gmp-widevinecdm.visible", { what: RECORD_PREF_VALUE }],
   ["media.gmp-manager.lastCheck", { what: RECORD_PREF_VALUE }],
   ["media.gmp-manager.lastEmptyCheck", { what: RECORD_PREF_VALUE }],
+  [
+    "network.http.microsoft-entra-sso.enabled",
+    { what: RECORD_DEFAULTPREF_VALUE },
+  ],
   ["network.http.windows-sso.enabled", { what: RECORD_PREF_VALUE }],
   ["network.proxy.autoconfig_url", { what: RECORD_PREF_STATE }],
   ["network.proxy.http", { what: RECORD_PREF_STATE }],