Converted IncognitoForced boolean policy into IncognitoModeAvailability enum policy.

chrome/common/pref_names.cc

 // Copyright (c) 2011 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"
 
 namespace prefs {
 
 // *************** PROFILE PREFS ***************
 // These are attached to the user profile
@@ skipping 145 matching lines @@
 // Boolean that is true when SafeBrowsing is enabled.
 const char kSafeBrowsingEnabled[] = "safebrowsing.enabled";
 
 // Boolean that is true when SafeBrowsing Malware Report is enabled.
 const char kSafeBrowsingReportingEnabled[] =
     "safebrowsing.reporting_enabled";
 
 // Boolean that is true when Incognito support is enabled.
 const char kIncognitoEnabled[] = "incognito.enabled";
 
-// Boolean that specifies if all user sessions should be forced into Incognito.
-const char kIncognitoForced[] = "incognito.forced";
+// Enum that specifies whether Incognito mode is:
+// 0 - Enabled. Default behaviour. Default mode is available on demand.
+// 1 - Disabled. Used cannot browse pages in Incognito mode.
+// 2 - Forced. All pages/sessions are forced into Incognito.
+const char kIncognitoModeAvailability[] = "incognito.mode_availability";
 
 // Boolean that is true when Suggest support is enabled.
 const char kSearchSuggestEnabled[] = "search.suggest_enabled";
 
 // Boolean that indicates whether the browser should put up a confirmation
 // window when the user is attempting to quit. Mac only.
 const char kConfirmToQuitEnabled[] = "browser.confirm_to_quit";
 
 // OBSOLETE.  Enum that specifies whether to enforce a third-party cookie
 // blocking policy.  This has been superseded by kDefaultContentSettings +
@@ skipping 1254 matching lines @@
 // Whether user-specified handlers for protocols and content types can be
 // specified.
 const char kCustomHandlersEnabled[] = "custom_handlers.enabled";
 
 // Integers that specify the policy refresh rate for device- and user-policy in
 // milliseconds. Not all values are meaningful, so it is clamped to a sane range
 // by the cloud policy subsystem.
 const char kDevicePolicyRefreshRate[] = "policy.device_refresh_rate";
 const char kUserPolicyRefreshRate[] = "policy.user_refresh_rate";
 }  // namespace prefs