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

chrome/browser/policy/cloud_policy_data_store.h

Index: chrome/browser/policy/cloud_policy_data_store.h
diff --git a/chrome/browser/policy/cloud_policy_data_store.h b/chrome/browser/policy/cloud_policy_data_store.h
index bbcb9f2f5c095b72288d695148c897169af8e746..62e8d773dc4cd11098472a60ad761382806bf16f 100644
--- a/chrome/browser/policy/cloud_policy_data_store.h
+++ b/chrome/browser/policy/cloud_policy_data_store.h
@@ -75,6 +75,8 @@ class CloudPolicyDataStore {
   void set_machine_model(const std::string& machine_model);
   void set_user_name(const std::string& user_name);
   void set_user_affiliation(UserAffiliation user_affiliation);
+  void set_device_mode(
+      enterprise_management::DeviceRegisterResponse_DeviceMode device_mode);
   void set_known_machine_id(bool known_machine_id);
 
 #if defined(OS_CHROMEOS)
@@ -95,6 +97,7 @@ class CloudPolicyDataStore {
   bool token_cache_loaded() const;
   const std::string& user_name() const;
   UserAffiliation user_affiliation() const;
+  enterprise_management::DeviceRegisterResponse_DeviceMode device_mode() const;
   bool known_machine_id() const;
 
   void AddObserver(Observer* observer);
@@ -116,6 +119,7 @@ class CloudPolicyDataStore {
   // Data necessary for constructing policy requests.
   std::string device_token_;
   UserAffiliation user_affiliation_;
+  enterprise_management::DeviceRegisterResponse_DeviceMode device_mode_;
 
   // Constants that won't change over the life-time of a cloud policy
   // subsystem.