ChromeOS: should not show "Language changed" notification for certain languages.

chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc

Index: chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc b/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc
index 3c31fccf733cf60ed4d0e8b06112999b837e375c..e203ed04bb524e7c99f995728eee56d13ff8dd8e 100644
--- a/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc
+++ b/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc
@@ -249,10 +249,10 @@ base::ListValue* CrosLanguageOptionsHandler::GetLanguageListInternal(
     const std::string& language_id = iter->first;
     const int language_idx = iter->second;
 
-    const size_t dash_pos = language_id.find_first_of('-');
+    const std::string lang = l10n_util::GetLanguage(language_id);
 
     // Ignore non-specific codes.
-    if (dash_pos == std::string::npos || dash_pos == 0)
+    if (lang.empty() || lang == language_id)
       continue;
 
     if (std::find(base_language_codes.begin(),