Implement a policy to autologin a public account.

chrome/browser/chromeos/settings/device_settings_provider.cc

Index: chrome/browser/chromeos/settings/device_settings_provider.cc
diff --git a/chrome/browser/chromeos/settings/device_settings_provider.cc b/chrome/browser/chromeos/settings/device_settings_provider.cc
index f60f5445fc60662b41b5d35e859f25362091d5d2..99bb894f9354888b470a14d867e79c9885ae9b6f 100644
--- a/chrome/browser/chromeos/settings/device_settings_provider.cc
+++ b/chrome/browser/chromeos/settings/device_settings_provider.cc
@@ -44,6 +44,8 @@ const char* kKnownSettings[] = {
   kAccountsPrefShowUserNamesOnSignIn,
   kAccountsPrefUsers,
   kAccountsPrefDeviceLocalAccounts,
+  kAccountsPrefDeviceLocalAccountAutoLoginId,
+  kAccountsPrefDeviceLocalAccountAutoLoginDelay,
   kAppPack,
   kDeviceOwner,
   kIdleLogoutTimeout,
@@ -232,6 +234,22 @@ void DeviceSettingsProvider::SetInPolicy() {
     } else {
       NOTREACHED();
     }
+  } else if (prop == kAccountsPrefDeviceLocalAccountAutoLoginId) {
+    em::DeviceLocalAccountsProto* device_local_accounts =
+        device_settings_.mutable_device_local_accounts();
+    std::string id;
+    if (value->GetAsString(&id))
+      device_local_accounts->set_auto_login_id(id);
+    else
+      NOTREACHED();
+  } else if (prop == kAccountsPrefDeviceLocalAccountAutoLoginDelay) {
+    em::DeviceLocalAccountsProto* device_local_accounts =
+        device_settings_.mutable_device_local_accounts();
+    int timer;
+    if (value->GetAsInteger(&timer))
+      device_local_accounts->set_auto_login_delay(timer);
+    else
+      NOTREACHED();
   } else if (prop == kSignedDataRoamingEnabled) {
     em::DataRoamingEnabledProto* roam =
         device_settings_.mutable_data_roaming_enabled();
@@ -386,13 +404,25 @@ void DeviceSettingsProvider::DecodeLoginPolicies(
   base::ListValue* account_list = new base::ListValue();
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (!command_line->HasSwitch(switches::kDisableLocalAccounts)) {
+    const em::DeviceLocalAccountsProto device_local_accounts_proto =
+        policy.device_local_accounts();
     const RepeatedPtrField<em::DeviceLocalAccountInfoProto>& accounts =
-        policy.device_local_accounts().account();
+        device_local_accounts_proto.account();
     RepeatedPtrField<em::DeviceLocalAccountInfoProto>::const_iterator entry;
     for (entry = accounts.begin(); entry != accounts.end(); ++entry) {
       if (entry->has_id())
         account_list->AppendString(entry->id());
     }
+    if (device_local_accounts_proto.has_auto_login_id()) {
+      new_values_cache->SetString(
+          kAccountsPrefDeviceLocalAccountAutoLoginId,
+          device_local_accounts_proto.auto_login_id());
+    }
+    if (device_local_accounts_proto.has_auto_login_delay()) {
+      new_values_cache->SetInteger(
+          kAccountsPrefDeviceLocalAccountAutoLoginDelay,
+          device_local_accounts_proto.auto_login_delay());
+    }
   }
   new_values_cache->SetValue(kAccountsPrefDeviceLocalAccounts, account_list);
 }