Hide/Disable several (meaningless) options in Settings uber-page for Guest.

chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler2.cc

Index: chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler2.cc
diff --git a/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler2.cc b/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler2.cc
index f2067cdb2431e62cc7b8f1a030834f79bf5e6290..4ea9973c3844d9dc8e588be565243c94fdfea94f 100644
--- a/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler2.cc
+++ b/chrome/browser/ui/webui/options2/chromeos/core_chromeos_options_handler2.cc
@@ -9,6 +9,7 @@
 #include "base/bind.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/cros_settings.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
@@ -207,6 +208,17 @@ void CoreChromeOSOptionsHandler::StopObservingPref(const std::string& path) {
     ::options2::CoreOptionsHandler::StopObservingPref(path);
 }
 
+void CoreChromeOSOptionsHandler::GetLocalizedValues(
+    DictionaryValue* localized_strings) {
+  DCHECK(localized_strings);
+  CoreOptionsHandler::GetLocalizedValues(localized_strings);
+
+  localized_strings->SetString(
+      "loggedInAsGuest",
+      chromeos::UserManager::Get()->IsLoggedInAsGuest() ?
+          ASCIIToUTF16("true") : ASCIIToUTF16("false"));
+}
+
 void CoreChromeOSOptionsHandler::Observe(
     int type,
     const content::NotificationSource& source,