ChromeOS NetworkScreenHandler should not call CheckAndResolveLocale on UI thread.

chrome/browser/ui/webui/chromeos/login/l10n_util.h

Index: chrome/browser/ui/webui/chromeos/login/l10n_util.h
diff --git a/chrome/browser/ui/webui/chromeos/login/l10n_util.h b/chrome/browser/ui/webui/chromeos/login/l10n_util.h
index 756e728399e0b68e095d0b406faba2bf2034f76f..53a6a7a6aa013b52d65fe7c092dd07d53d3ded40 100644
--- a/chrome/browser/ui/webui/chromeos/login/l10n_util.h
+++ b/chrome/browser/ui/webui/chromeos/login/l10n_util.h
@@ -10,6 +10,7 @@
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/strings/string16.h"
 
 namespace base {
 class DictionaryValue;
@@ -26,6 +27,19 @@ extern const char kMostRelevantLanguagesDivider[];
 // Utility methods for retrieving lists of supported locales and input methods /
 // keyboard layouts during OOBE and on the login screen.
 
+// Returns a single language entry (a helper function for GetUILanguageList).
+base::DictionaryValue* CreateLanguageEntry(
+    const std::string& language_code,
+    const base::string16& language_display_name,
+    const std::string& language_directionality,

[dzhioev (left Google), 2014/10/01 15:08:08]

You can calculate directionality inside of this function using
|language_display_name| param.

[Alexander Alekseev, 2014/10/02 13:12:07]

Done.

+    const base::string16& language_native_display_name);
+
+// Helper function for GetUILanguageList.
+// Requires |language_display_name| after
+// base::i18n::UnadjustStringForLocaleDirection.
+const std::string GetLanguageDirectionality(
+    const base::string16& language_display_name);
+
 // Return a list of languages in which the UI can be shown. Each list entry is a
 // dictionary that contains data such as the language's locale code and a
 // display name. The list will consist of the |most_relevant_language_codes|,