ChromeOS: Refactor TimeZoneResolver, add TimeZoneResolverManager.

chrome/browser/chromeos/login/ui/login_display_host_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/ui/login_display_host_impl.h"
 
 #include <utility>
 #include <vector>
 
 #include "ash/audio/sounds.h"
@@ skipping 34 matching lines @@
 #include "chrome/browser/chromeos/login/ui/webui_login_display.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/mobile_config.h"
 #include "chrome/browser/chromeos/net/delay_network_call.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/policy/enrollment_config.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/chromeos/system/device_disabling_manager.h"
 #include "chrome/browser/chromeos/system/input_device_settings.h"
+#include "chrome/browser/chromeos/system/timezone_resolver_manager.h"
 #include "chrome/browser/chromeos/system/timezone_util.h"
 #include "chrome/browser/chromeos/ui/focus_ring_controller.h"
 #include "chrome/browser/lifetime/keep_alive_types.h"
 #include "chrome/browser/lifetime/scoped_keep_alive.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ skipping 1057 matching lines @@
       media::SoundsManager::Get()->GetDuration(SOUND_STARTUP));
 }
 
 void LoginDisplayHostImpl::OnLoginPromptVisible() {
   if (!login_prompt_visible_time_.is_null())
     return;
   login_prompt_visible_time_ = base::TimeTicks::Now();
   TryToPlayStartupSound();
 }
 
-void LoginDisplayHostImpl::StartTimeZoneResolve() {
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          chromeos::switches::kDisableTimeZoneTrackingOption)) {
-    return;
-  }
-
-  if (!g_browser_process->local_state()->GetBoolean(
-          prefs::kResolveDeviceTimezoneByGeolocation)) {
-    return;
-  }
-
-  if (system::HasSystemTimezonePolicy())
-    return;
-
-  // Do not start resolver if we are inside active user session.
-  // If user preferences permit, it will be started on preferences
-  // initialization.
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginUser))
-    return;
-
-  g_browser_process->platform_part()->GetTimezoneResolver()->Start();
-}
-
 // static
 void LoginDisplayHostImpl::DisableRestrictiveProxyCheckForTest() {
   static_cast<chromeos::LoginDisplayHostImpl*>(default_host())
       ->GetOobeUI()
       ->GetGaiaScreenActor()
       ->DisableRestrictiveProxyCheckForTest();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // external
@@ skipping 60 matching lines @@
     display_host->StartWizard(WizardController::kNetworkScreenName);
     return;
   }
 
   if (StartupUtils::IsEulaAccepted()) {
     DelayNetworkCall(
         base::TimeDelta::FromMilliseconds(kDefaultNetworkRetryDelayMS),
         ServicesCustomizationDocument::GetInstance()
             ->EnsureCustomizationAppliedClosure());
 
-    display_host->StartTimeZoneResolve();
+    g_browser_process->platform_part()
+        ->GetTimezoneResolverManager()
+        ->UpdateTimezoneResolver();
   }
 
   bool show_login_screen =
       (first_screen_name.empty() && StartupUtils::IsOobeCompleted()) ||
       first_screen_name == WizardController::kLoginScreenName;
 
   if (show_login_screen) {
     display_host->StartSignInScreen(LoginScreenContext());
     return;
   }
@@ skipping 38 matching lines @@
 
   locale_util::SwitchLanguageCallback callback(
       base::Bind(&OnLanguageSwitchedCallback, base::Passed(std::move(data))));
 
   // Load locale keyboards here. Hardware layout would be automatically enabled.
   locale_util::SwitchLanguage(locale, true, true /* login_layouts_only */,
                               callback, ProfileManager::GetActiveUserProfile());
 }
 
 }  // namespace chromeos