cros: Added policies for screen unlock.

chrome/common/pref_names.cc

 // 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.
 
 #include "chrome/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_font_webkit_names.h"
@@ skipping 887 matching lines @@
 // An integer pref. Holds one of several values:
 // 0: Supported. Device is in supported state.
 // 1: Security Only. Device is in Security-Only update (after initial 5 years).
 // 2: EOL. Device is End of Life(No more updates expected).
 // This value needs to be consistent with EndOfLifeStatus enum.
 const char kEolStatus[] = "eol_status";
 
 // Boolean pref indicating the End Of Life notification was dismissed by the
 // user.
 const char kEolNotificationDismissed[] = "eol_notification_dismissed";
+
+// A list of allowed quick unlock modes. A quick unlock mode can only be used if
+// its type is on this list, or if type all (all quick unlock modes enabled) is
+// on this list.
+const char kQuickUnlockModeWhitelist[] = "quick_unlock_mode_whitelist";
+// Enum that specifies how often a user has to enter their password to continue
+// using quick unlock. These values are the same as the ones in
+// chromeos::QuickUnlockPasswordConfirmationFrequency.
+// 0 - six hours. Users will have to enter their password every six hours.
+// 1 - twelve hours. Users will have to enter their password every twelve hours.
+// 2 - day. Users will have to enter their password every day.
+// 3 - week. Users will have to enter their password every week.
+const char kQuickUnlockTimeout[] = "quick_unlock_timeout";
 #endif  // defined(OS_CHROMEOS)
 
 // A boolean pref set to true if a Home button to open the Home pages should be
 // visible on the toolbar.
 const char kShowHomeButton[] = "browser.show_home_button";
 
 // Boolean pref to define the default setting for "block offensive words".
 // The old key value is kept to avoid unnecessary migration code.
 const char kSpeechRecognitionFilterProfanities[] =
     "browser.speechinput_censor_results";
@@ skipping 1360 matching lines @@
 const char kOriginTrialPublicKey[] = "origin_trials.public_key";
 
 // A list of origin trial features to disable by policy.
 const char kOriginTrialDisabledFeatures[] = "origin_trials.disabled_features";
 
 // Policy that indicates the state of updates for the binary components.
 const char kComponentUpdatesEnabled[] =
     "component_updates.component_updates_enabled";
 
 }  // namespace prefs