Add butter bar to login screen to show device enrollement info.

chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc b/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
index e70791b5928b5af34913819d18950403187a5af9..53dba7fabe2235545f6f4f0a969ab7e100fa8221 100644
--- a/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/core_oobe_handler.cc
@@ -43,6 +43,8 @@ void CoreOobeHandler::GetLocalizedStrings(
       "title", l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME));
   localized_strings->SetString(
       "productName", l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME));
+  localized_strings->SetString(
+      "learnMore", l10n_util::GetStringUTF16(IDS_LEARN_MORE));
 }
 
 void CoreOobeHandler::Initialize() {
@@ -100,6 +102,13 @@ void CoreOobeHandler::OnBootTimesLabelTextUpdated(
   UpdateLabel("boot-times", boot_times_label_text);
 }
 
+void CoreOobeHandler::OnEnterpriseInfoUpdated(
+    const std::string& message_text) {
+  base::StringValue message_text_vaue(UTF8ToUTF16(message_text));
+  web_ui()->CallJavascriptFunction("cr.ui.Oobe.setEnterpriseInfo",
+                                   message_text_vaue);
+}
+
 void CoreOobeHandler::UpdateLabel(const std::string& id,
                                   const std::string& text) {
   base::StringValue id_value(UTF8ToUTF16(id));