Add support for kiosk mode on the client. Make sure the settings are written in the lockbox.

chrome/browser/policy/browser_policy_connector.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_POLICY_BROWSER_POLICY_CONNECTOR_H_
 #define CHROME_BROWSER_POLICY_BROWSER_POLICY_CONNECTOR_H_
 #pragma once
 
 #include <string>
 
@@ skipping 75 matching lines @@
 
   // Locks the device to an enterprise domain.
   EnterpriseInstallAttributes::LockResult LockDevice(const std::string& user);
 
   // Returns the device serial number, or an empty string if not available.
   static std::string GetSerialNumber();
 
   // Returns the enterprise domain if device is managed.
   std::string GetEnterpriseDomain();
 
+  // Returns the device mode. For ChromeOS this function will return the mode
+  // stored in the lockbox, or DEVICE_MODE_CONSUMER if the lockbox has been
+  // locked empty, or DEVICE_MODE_UNKNOWN if the device has not been owned yet.
+  // For other OSes the function will always return DEVICE_MODE_CONSUMER.
+  DeviceMode GetDeviceMode();
+
   // Reset the device policy machinery. This stops any automatic retry behavior
   // and clears the error flags, so potential retries have a chance to succeed.
   void ResetDevicePolicy();
 
   // Initiates device and user policy fetches, if possible. Pending fetches
   // will be cancelled.
   void FetchCloudPolicy();
 
   // Refreshes policies on each existing provider.
   void RefreshPolicies();
@@ skipping 11 matching lines @@
 
   // Installs a token service for user policy.
   void SetUserPolicyTokenService(TokenService* token_service);
 
   // Registers for user policy (if not already registered), using the passed
   // OAuth V2 token for authentication. |oauth_token| can be empty to signal
   // that an attempt to fetch the token was made but failed, or that oauth
   // isn't being used.
   void RegisterForUserPolicy(const std::string& oauth_token);
 
-  const CloudPolicyDataStore* GetDeviceCloudPolicyDataStore() const;
-  const CloudPolicyDataStore* GetUserCloudPolicyDataStore() const;
+  // The data stores should be considered read-only for everyone except for
+  // tests.
+  CloudPolicyDataStore* GetDeviceCloudPolicyDataStore();
+  CloudPolicyDataStore* GetUserCloudPolicyDataStore();
 
   const ConfigurationPolicyHandlerList* GetHandlerList() const;
 
   // Works out the user affiliation by checking the given |user_name| against
   // the installation attributes.
   UserAffiliation GetUserAffiliation(const std::string& user_name);
 
  private:
   // content::NotificationObserver method overrides:
   virtual void Observe(int type,
@@ skipping 43 matching lines @@
 
   // Used to convert policies to preferences.
   ConfigurationPolicyHandlerList handler_list_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPolicyConnector);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_BROWSER_POLICY_CONNECTOR_H_