ChromeOS: Implement periodic timezone refresh on geolocation data.

chrome/browser/chromeos/login/users/chrome_user_manager_impl.cc

 // Copyright 2014 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/chromeos/login/users/chrome_user_manager_impl.h"
 
 #include <cstddef>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 18 matching lines @@
 #include "chrome/browser/chromeos/login/signin/auth_sync_observer.h"
 #include "chrome/browser/chromeos/login/signin/auth_sync_observer_factory.h"
 #include "chrome/browser/chromeos/login/users/avatar/user_image_manager_impl.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/login/users/supervised_user_manager_impl.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/policy/device_local_account.h"
 #include "chrome/browser/chromeos/profiles/multiprofiles_session_aborted_dialog.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/session_length_limiter.h"
+#include "chrome/browser/chromeos/system/timezone_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/easy_unlock_service.h"
 #include "chrome/browser/supervised_user/chromeos/manager_password_service_factory.h"
 #include "chrome/browser/supervised_user/chromeos/supervised_user_password_service_factory.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/crash_keys.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/grit/theme_resources.h"
 #include "chromeos/chromeos_switches.h"
@@ skipping 322 matching lines @@
           SupervisedUserPasswordServiceFactory::GetForProfile(profile);
         if (IsLoggedInAsUserWithGaiaAccount())
           ManagerPasswordServiceFactory::GetForProfile(profile);
 
         if (!profile->IsOffTheRecord()) {
           AuthSyncObserver* sync_observer =
               AuthSyncObserverFactory::GetInstance()->GetForProfile(profile);
           sync_observer->StartObserving();
           multi_profile_user_controller_->StartObserving(profile);
         }
+        StartUserTimeZoneRefresh(profile);
       }
       break;
     }
     case chrome::NOTIFICATION_PROFILE_CREATED: {
       Profile* profile = content::Source<Profile>(source).ptr();
       user_manager::User* user =
           ProfileHelper::Get()->GetUserByProfile(profile);
       if (user != NULL)
         user->set_profile_is_created();
 
@@ skipping 679 matching lines @@
     if ((users + GetUsersAllowedForMultiProfile().size()) > 1)
       ash::MultiProfileUMA::RecordUserCount(users);
   }
 #endif
 
   base::debug::SetCrashKeyValue(
       crash_keys::kNumberOfUsers,
       base::StringPrintf("%" PRIuS, GetLoggedInUsers().size()));
 }
 
+void ChromeUserManagerImpl::StartUserTimeZoneRefresh(Profile* profile) {
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          chromeos::switches::kEnableTimeZoneTrackingOption)) {
+    return;
+  }
+
+  if (profile->GetPrefs()->GetBoolean(prefs::kResolveTimezoneByGeolocation) &&
+      !system::HasSystemTimezonePolicy()) {
+    g_browser_process->platform_part()->timezone_resolver()->Start();
+  } else {
+    g_browser_process->platform_part()->timezone_resolver()->Stop();
+  }
+}
+
 }  // namespace chromeos