Add support for cellular geolocation

chrome/browser/chromeos/system/timezone_resolver_manager.h

Index: chrome/browser/chromeos/system/timezone_resolver_manager.h
diff --git a/chrome/browser/chromeos/system/timezone_resolver_manager.h b/chrome/browser/chromeos/system/timezone_resolver_manager.h
index f900c0504d170772dfee5acf9c51e1a887fb0f52..4db43af88c7f7e4b6ba3d9aa5b2c4b7d03f1a6a0 100644
--- a/chrome/browser/chromeos/system/timezone_resolver_manager.h
+++ b/chrome/browser/chromeos/system/timezone_resolver_manager.h
@@ -25,6 +25,9 @@ class TimeZoneResolverManager : public TimeZoneResolver::Delegate {
   // TimeZoneResolver::Delegate overrides:
   bool ShouldSendWiFiGeolocationData() override;
 
+  // TimeZoneResolver::Delegate overrides:
+  bool ShouldSendCellularGeolocationData() override;
+
   // Starts or stops TimezoneResolver according to currect settings.
   void UpdateTimezoneResolver();
 
@@ -40,6 +43,8 @@ class TimeZoneResolverManager : public TimeZoneResolver::Delegate {
   // all configuration data.
   bool TimeZoneResolverShouldBeRunning();
 
+  int GetTimezoneManagementSetting();
+
   // This is non-null only after user logs in.
   PrefService* primary_user_prefs_;