ChromeOS: switch UI language before apps are loaded.

chrome/browser/chromeos/login/session/user_session_manager.h

Index: chrome/browser/chromeos/login/session/user_session_manager.h
diff --git a/chrome/browser/chromeos/login/session/user_session_manager.h b/chrome/browser/chromeos/login/session/user_session_manager.h
index 9874aef1e3c113ca2194abb27bb3bff78919c045..4e15fd3e019441ed95ee1cfaf72d5631035a15a3 100644
--- a/chrome/browser/chromeos/login/session/user_session_manager.h
+++ b/chrome/browser/chromeos/login/session/user_session_manager.h
@@ -191,6 +191,10 @@ class UserSessionManager
       const user_manager::User* user,
       const locale_util::SwitchLanguageCallback& callback) const;
 
+  // Switch to the locale that |profile| wishes to use and invoke |callback|.
+  void RespectLocalePreferenceWrapper(Profile* profile,
+                                      const base::Closure& callback);
+
   // Restarts Chrome if needed. This happens when user session has custom
   // flags/switches enabled. Another case when owner has setup custom flags,
   // they are applied on login screen as well but not to user session.
@@ -232,6 +236,9 @@ class UserSessionManager
 
   bool has_auth_cookies() const { return has_auth_cookies_; }
 
+  // This is called from ProfileImpl() before profile is created.
+  void OnNewProfileCreating(Profile* profile);
+
  private:
   friend class test::UserSessionManagerTestApi;
   friend struct DefaultSingletonTraits<UserSessionManager>;
@@ -344,10 +351,6 @@ class UserSessionManager
                                LoginDisplayHost* login_host,
                                bool locale_pref_checked);
 
-  // Switch to the locale that |profile| wishes to use and invoke |callback|.
-  void RespectLocalePreferenceWrapper(Profile* profile,
-                                      const base::Closure& callback);
-
   static void RunCallbackOnLocaleLoaded(
       const base::Closure& callback,
       InputEventsBlocker* input_events_blocker,