Update the registration protobuf and the test dm server.

chrome/browser/policy/proto/device_management_backend.proto

Index: chrome/browser/policy/proto/device_management_backend.proto
diff --git a/chrome/browser/policy/proto/device_management_backend.proto b/chrome/browser/policy/proto/device_management_backend.proto
index eb31ebf8a38d843bdc77d1834f4cc93140b43e20..504ae8ba8260f92afbe5b435bc5eab45e288a966 100644
--- a/chrome/browser/policy/proto/device_management_backend.proto
+++ b/chrome/browser/policy/proto/device_management_backend.proto
@@ -56,6 +56,20 @@ message DeviceRegisterResponse {
   // the format of "Machine Model - Machine Id".  However, domain
   // admin can update it using CPanel, so do NOT treat it as constant.
   optional string machine_name = 2;
+
+  // Enum listing the possible modes the device should be locked into when the
+  // registration is finished.
+  enum DeviceMode {
+    // In ENTERPRISE mode the device has no local owner and device settings are
+    // controlled through the cloud policy infrastructure. Auto-enrollment is
+    // supported in that mode.
+    ENTERPRISE = 0;
+    // Devices in KIOSK mode also have no local owner and get their device
+    // settings from the cloud, but additionally this mode enables the demo
+    // account on the device.
+    KIOSK = 1;
+  }
+  optional DeviceMode enrollment_type = 3 [default = ENTERPRISE];

[Mattias Nissler (ping if slow), 2012/02/16 10:39:01]

If you declare a default, have you checked whether has_enrollment_type() returns
false if the field is not present?

[pastarmovj, 2012/02/16 14:55:21]

Yes. It returns false. The default however will ensure that calling
enrollment_type() even when has_enrollment_type() == false is returning sane
value.

 }
 
 // Request from device to server to unregister device.