MD Settings: Date and Time page, part 2/3

chrome/browser/ui/webui/settings/chromeos/date_time_handler.h

Index: chrome/browser/ui/webui/settings/chromeos/date_time_handler.h
diff --git a/chrome/browser/ui/webui/settings/chromeos/date_time_handler.h b/chrome/browser/ui/webui/settings/chromeos/date_time_handler.h
index 48175878b77042ccd5eecff27a44495627f0875f..c88dbcae81627c14eb4a5f026970dca22a4379df 100644
--- a/chrome/browser/ui/webui/settings/chromeos/date_time_handler.h
+++ b/chrome/browser/ui/webui/settings/chromeos/date_time_handler.h
@@ -6,7 +6,14 @@
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_DATE_TIME_HANDLER_H_
 
 #include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h"
+#include "components/prefs/pref_change_registrar.h"
+
+namespace base {
+class ListValue;
+}
 
 namespace content {
 class WebUIDataSource;
@@ -31,6 +38,24 @@ class DateTimeHandler : public ::settings::SettingsPageUIHandler {
  private:
   DateTimeHandler();
 
+  // Called when the page is ready.
+  void HandleDateTimePageReady(const base::ListValue* args);
+
+  // Handler to fetch the list of time zones.
+  void HandleGetTimeZones(const base::ListValue* args);
+
+  // Updates the UI, enabling or disabling the time zone automatic detection
+  // setting according to policy.
+  void NotifyTimezoneAutomaticDetectionPolicy();
+
+  std::unique_ptr<chromeos::CrosSettings::ObserverSubscription>
+      system_timezone_policy_subscription_;
+
+  // Used to listen to changes to the system time zone detection policy.
+  PrefChangeRegistrar local_state_pref_change_registrar_;
+
+  base::WeakPtrFactory<DateTimeHandler> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(DateTimeHandler);
 };