ChromeOS: Add SystemTimezoneAutomaticDetection policy.

chrome/browser/chromeos/preferences.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
 #define CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
 
 #include <string>
 
 #include "ash/shell_observer.h"
@@ skipping 20 matching lines @@
 
 namespace chromeos {
 
 class User;
 
 namespace input_method {
 class InputMethodManager;
 class InputMethodSyncer;
 }
 
+// This is a set of possible values of SystemTimezoneAutomaticDetection device
+// policy. It should be kept in sync with enum AutomaticTimezoneDetectionType
+// in chrome_device_policy.proto .
+enum ResolveDeviceTimezoneByGeolocationPolicyValues {
+  USERS_DECIDE = 0,
+  DISABLED = 1,
+  IP_ONLY = 2,
+  SEND_WIFI_ACCESS_POINTS = 3,
+  NUM_ELEMENTS
+};

[stevenjb, 2016/03/29 17:01:24]

Why not include the pb.h file directly where this is used? Keeping enums in sync
tends to lead to problems down the road.

[Alexander Alekseev, 2016/03/30 03:07:23]

Done.

+
 // The Preferences class handles Chrome OS preferences. When the class
 // is first initialized, it will initialize the OS settings to what's stored in
 // the preferences. These include touchpad settings, etc.
 // When the preferences change, we change the settings to reflect the new value.
 class Preferences : public syncable_prefs::PrefServiceSyncableObserver,
                     public ash::ShellObserver,
                     public user_manager::UserManager::UserSessionStateObserver {
  public:
   Preferences();
   explicit Preferences(
@@ skipping 108 matching lines @@
   scoped_refptr<input_method::InputMethodManager::State> ime_state_;
 
   scoped_ptr<input_method::InputMethodSyncer> input_method_syncer_;
 
   DISALLOW_COPY_AND_ASSIGN(Preferences);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_