Add login screen locale and input method device policies

chrome/browser/lifetime/application_lifetime.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/lifetime/application_lifetime.h"
 
 #include <memory>
 #include <string>
 
 #if defined(OS_WIN)
@@ skipping 28 matching lines @@
 #include "chrome/common/pref_names.h"
 #include "components/metrics/metrics_service.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/notification_service.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/sys_info.h"
 #include "chrome/browser/chromeos/boot_times_recorder.h"
+#include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_policy_controller.h"
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/dbus/update_engine_client.h"
+#include "chromeos/settings/cros_settings_names.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/win/win_util.h"
 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
 #endif
 
 namespace chrome {
 namespace {
 
@@ skipping 98 matching lines @@
 #if defined(OS_CHROMEOS)
   VLOG(1) << "AttemptUserExit";
   browser_shutdown::StartShutdownTracing();
   chromeos::BootTimesRecorder::Get()->AddLogoutTimeMarker("LogoutStarted",
                                                           false);
 
   PrefService* state = g_browser_process->local_state();
   if (state) {
     chromeos::BootTimesRecorder::Get()->OnLogoutStarted(state);
 
+    bool commit_pending_write = false;
+
     // Login screen should show up in owner's locale.
     std::string owner_locale = state->GetString(prefs::kOwnerLocale);
     if (!owner_locale.empty() &&
         state->GetString(prefs::kApplicationLocale) != owner_locale &&
         !state->IsManagedPreference(prefs::kApplicationLocale)) {
       state->SetString(prefs::kApplicationLocale, owner_locale);
+      commit_pending_write = true;
+    }
+
+    // If a policy mandates the login screen locale, use it.
+    chromeos::CrosSettings* cros_settings = chromeos::CrosSettings::Get();
+    const base::ListValue* loginScreenLocales = nullptr;
+    std::string loginScreenLocale;
+    if (cros_settings->GetList(chromeos::kDeviceLoginScreenLocales,
+                               &loginScreenLocales) &&
+        !loginScreenLocales->empty() &&
+        loginScreenLocales->GetString(0, &loginScreenLocale)) {
+      state->SetString(prefs::kApplicationLocale, loginScreenLocale);
+
+      commit_pending_write = true;
+    }
+    if (commit_pending_write) {
       TRACE_EVENT0("shutdown", "CommitPendingWrite");
       state->CommitPendingWrite();
     }
   }
   g_send_stop_request_to_session_manager = true;
   // On ChromeOS, always terminate the browser, regardless of the result of
   // AreAllBrowsersCloseable(). See crbug.com/123107.
   chrome::NotifyAndTerminate(true);
 #else
   // Reset the restart bit that might have been set in cancelled restart
@@ skipping 221 matching lines @@
 void OnAppExiting() {
   static bool notified = false;
   if (notified)
     return;
   notified = true;
   HandleAppExitingForPlatform();
 }
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace chrome