ChromeOS: switch UI language before apps are loaded.

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

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_USER_SESSION_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_USER_SESSION_MANAGER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 173 matching lines @@
   // login host is deleted.
   void DoBrowserLaunch(Profile* profile, LoginDisplayHost* login_host);
 
   // Changes browser locale (selects best suitable locale from different
   // user settings). Returns true if callback will be called.
   bool RespectLocalePreference(
       Profile* profile,
       const user_manager::User* user,
       const locale_util::SwitchLanguageCallback& callback) const;
 
+  // Switch to the locale that |profile| wishes to use and invoke |callback|.
+  // If |synchronous| is true, wait for language switched.
+  void RespectLocalePreferenceWrapper(Profile* profile,
+                                      const base::Closure& callback,
+                                      bool synchronous);
+
   // 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.
   // |early_restart| is true if this restart attempt happens before user profile
   // is fully initialized.
   // Might not return if restart is possible right now.
   // Returns true if restart was scheduled.
   // Returns false if no restart is needed.
   bool RestartToApplyPerSessionFlagsIfNeed(Profile* profile,
                                            bool early_restart);
@@ skipping 140 matching lines @@
                                   bool success);
 
   // Internal implementation of DoBrowserLaunch. Initially should be called with
   // |locale_pref_checked| set to false which will result in postponing browser
   // launch till user locale is applied if needed. After locale check has
   // completed this method is called with |locale_pref_checked| set to true.
   void DoBrowserLaunchInternal(Profile* profile,
                                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,
       const locale_util::LanguageSwitchResult& result);
 
   // Test API methods.
 
   // Injects |user_context| that will be used to create StubAuthenticator
   // instance when CreateAuthenticator() is called.
   void InjectStubUserContext(const UserContext& user_context);
@@ skipping 83 matching lines @@
   bool waiting_for_child_account_status_;
 
   base::WeakPtrFactory<UserSessionManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UserSessionManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_USER_SESSION_MANAGER_H_