Display device specific up to date message on chromebook.

chrome/browser/ui/webui/help/help_handler.cc

Index: chrome/browser/ui/webui/help/help_handler.cc
diff --git a/chrome/browser/ui/webui/help/help_handler.cc b/chrome/browser/ui/webui/help/help_handler.cc
index dfbcbd3ee6980ae043ebf8f9b87078b69c775581..579da1345fb97cacf49e5aa49d028bc683fb6f82 100644
--- a/chrome/browser/ui/webui/help/help_handler.cc
+++ b/chrome/browser/ui/webui/help/help_handler.cc
@@ -8,6 +8,7 @@
 
 #include <string>
 
+#include "ash/system/chromeos/devicetype_utils.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ -301,6 +302,11 @@ void HelpHandler::GetLocalizedValues(base::DictionaryValue* localized_strings) {
                                  l10n_util::GetStringUTF16(resources[i].ids));
   }
 
+#if defined(OS_CHROMEOS)
+  localized_strings->SetString("upToDate", ash::SubstituteChromeOSDeviceType(
+        IDS_UPGRADE_UP_TO_DATE));
+#endif
+
   localized_strings->SetString("updateObsoleteSystem",
                                ObsoleteSystem::LocalizedObsoleteString());
   localized_strings->SetString("updateObsoleteSystemURL",