Implement a policy to autologin a public account.

chrome/browser/policy/proto/chrome_device_policy.proto

Index: chrome/browser/policy/proto/chrome_device_policy.proto
diff --git a/chrome/browser/policy/proto/chrome_device_policy.proto b/chrome/browser/policy/proto/chrome_device_policy.proto
index 0e9863e2cd612f655f584d62731bddb6937b93f2..234cf2184245fe59c8d23f288faf7d1b6d46715a 100644
--- a/chrome/browser/policy/proto/chrome_device_policy.proto
+++ b/chrome/browser/policy/proto/chrome_device_policy.proto
@@ -1,4 +1,4 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+ // 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.
 
@@ -237,6 +237,16 @@ message DeviceLocalAccountsProto {
   repeated DeviceLocalAccountInfoProto account = 1;
 }
 
+message DeviceLocalAccountAutoLoginProto {
+  // The identifier of the device-local account to which the device
+  // should be logged in automatically.
+  optional string id = 1;
+
+  // The amount of time that should elapse at the signin screen before
+  // automatically logging in.
+  optional int64 timer_millis = 2;
+}
+
 message ChromeDeviceSettingsProto {
   optional DevicePolicyRefreshRateProto device_policy_refresh_rate = 1;
   optional UserWhitelistProto user_whitelist = 2;
@@ -259,4 +269,5 @@ message ChromeDeviceSettingsProto {
   optional PinnedAppsProto pinned_apps = 19;
   optional SystemTimezoneProto system_timezone = 20;
   optional DeviceLocalAccountsProto device_local_accounts = 21;
+  optional DeviceLocalAccountAutoLoginProto device_local_account_auto_login = 22;

[bartfab (slow), 2013/02/08 18:38:42]

Either there is a semicolon on its own line here or the line is 81 chars long.

[dconnelly, 2013/02/08 19:20:42]

Done.

 }