Allow recommended locales to be set for public sessions

chrome/browser/chromeos/login/screens/user_selection_screen.h

Index: chrome/browser/chromeos/login/screens/user_selection_screen.h
diff --git a/chrome/browser/chromeos/login/screens/user_selection_screen.h b/chrome/browser/chromeos/login/screens/user_selection_screen.h
index 82b84f1991e0e9828228453cfbcc84edaf84b67a..b986de0cfbb970ef85e6c7aad341db0d60d5e17e 100644
--- a/chrome/browser/chromeos/login/screens/user_selection_screen.h
+++ b/chrome/browser/chromeos/login/screens/user_selection_screen.h
@@ -7,6 +7,7 @@
 
 #include <map>
 #include <string>
+#include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/timer/timer.h"
@@ -55,6 +56,7 @@ class UserSelectionScreen : public wm::UserActivityObserver {
       bool is_owner,
       bool is_signin_to_add,
       ScreenlockBridge::LockHandler::AuthType auth_type,
+      const std::vector<std::string>* public_session_recommended_locales,
       base::DictionaryValue* user_dict);
 
   // Determines if user auth status requires online sign in.
@@ -66,6 +68,11 @@ class UserSelectionScreen : public wm::UserActivityObserver {
   // Set of Users that are visible.
   user_manager::UserList users_;
 
+  // Map from public session user IDs to recommended locales set by policy.
+  typedef std::map<std::string, std::vector<std::string> >
+      PublicSessionRecommendedLocaleMap;
+  PublicSessionRecommendedLocaleMap public_session_recommended_locales_;
+
  private:
   // Whether to show guest login.
   bool show_guest_;