ChromeOS: removed outdated --disable-timezone-tracking-option switch.

chrome/browser/chromeos/system/timezone_resolver_manager.cc

 // Copyright 2016 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/system/timezone_resolver_manager.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
@@ skipping 142 matching lines @@
 
 bool TimeZoneResolverManager::ShouldApplyResolvedTimezone() {
   return TimeZoneResolverShouldBeRunning();
 }
 
 bool TimeZoneResolverManager::TimeZoneResolverShouldBeRunningForTests() {
   return TimeZoneResolverShouldBeRunning();
 }
 
 bool TimeZoneResolverManager::TimeZoneResolverShouldBeRunning() {
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          chromeos::switches::kDisableTimeZoneTrackingOption)) {
-    return false;
-  }
   ServiceConfiguration result = GetServiceConfigurationFromPolicy();
 
   if (result == UNSPECIFIED) {
     if (primary_user_prefs_) {
       result = GetServiceConfigurationFromUserPrefs(primary_user_prefs_);
     } else {
       // We are on a signin page.
       result = GetServiceConfigurationForSigninScreen();
     }
   }
   return result == SHOULD_START;
 }
 
 }  // namespace system
 }  // namespace chromeos