Introduce the DeviceStartUpFlags device policy.

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 44a253483f2d3526fcd75a3ebf92865684ebd655..f5f55de04ca11e05e5eecfbd9dd4153902d38520 100644
--- a/chrome/browser/chromeos/settings/device_settings_provider.cc
+++ b/chrome/browser/chromeos/settings/device_settings_provider.cc
@@ -63,6 +63,7 @@ const char* kKnownSettings[] = {
   kStartUpUrls,
   kStatsReportingPref,
   kSystemTimezonePolicy,
+  kStartUpFlags,
 };
 
 // Legacy policy file location. Used to detect migration from pre v12 ChromeOS.
@@ -274,12 +275,14 @@ void DeviceSettingsProvider::SetInPolicy() {
     em::UserWhitelistProto* whitelist_proto =
         device_settings_.mutable_user_whitelist();
     whitelist_proto->clear_user_whitelist();
-    base::ListValue& users = static_cast<base::ListValue&>(*value);
-    for (base::ListValue::const_iterator i = users.begin();
-         i != users.end(); ++i) {
-      std::string email;
-      if ((*i)->GetAsString(&email))
-        whitelist_proto->add_user_whitelist(email.c_str());
+    const base::ListValue* users;
+    if (value->GetAsList(&users)) {
+      for (base::ListValue::const_iterator i = users->begin();
+           i != users->end(); ++i) {
+        std::string email;
+        if ((*i)->GetAsString(&email))
+          whitelist_proto->add_user_whitelist(email);
+      }
     }
   } else if (prop == kAccountsPrefEphemeralUsersEnabled) {
     em::EphemeralUsersEnabledProto* ephemeral_users_enabled =
@@ -301,6 +304,19 @@ void DeviceSettingsProvider::SetInPolicy() {
     } else {
       NOTREACHED();
     }
+  } else if (prop == kStartUpFlags) {
+    em::StartUpFlagsProto* flags_proto =
+        device_settings_.mutable_start_up_flags();
+    flags_proto->Clear();
+    const base::ListValue* flags;
+    if (value->GetAsList(&flags)) {
+      for (base::ListValue::const_iterator i = flags->begin();
+           i != flags->end(); ++i) {
+        std::string flag;
+        if ((*i)->GetAsString(&flag))
+          flags_proto->add_flags(flag);
+      }
+    }
   } else {
     // The remaining settings don't support Set(), since they are not
     // intended to be customizable by the user:
@@ -406,6 +422,17 @@ void DeviceSettingsProvider::DecodeLoginPolicies(
     }
   }
   new_values_cache->SetValue(kAccountsPrefDeviceLocalAccounts, account_list);
+
+  if (policy.has_start_up_flags()) {
+    base::ListValue* list = new base::ListValue();
+    const em::StartUpFlagsProto& flags_proto = policy.start_up_flags();
+    const RepeatedPtrField<std::string>& flags = flags_proto.flags();
+    for (RepeatedPtrField<std::string>::const_iterator it = flags.begin();
+         it != flags.end(); ++it) {
+      list->Append(new base::StringValue(*it));
+    }
+    new_values_cache->SetValue(kStartUpFlags, list);
+  }
 }
 
 void DeviceSettingsProvider::DecodeKioskPolicies(