ChromeOS: switch UI language before apps are loaded.

chrome/browser/profiles/off_the_record_profile_impl.h

 // Copyright (c) 2012 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_PROFILES_OFF_THE_RECORD_PROFILE_IMPL_H_
 #define CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IMPL_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 55 matching lines @@
   base::FilePath last_selected_directory() override;
   void set_last_selected_directory(const base::FilePath& path) override;
   bool WasCreatedByVersionOrLater(const std::string& version) override;
   void SetExitType(ExitType exit_type) override;
   ExitType GetLastSessionExitType() override;
 
 #if defined(OS_CHROMEOS)
   void ChangeAppLocale(const std::string& locale, AppLocaleChangedVia) override;
   void OnLogin() override;
   void InitChromeOSPreferences() override;
+  void SetOnPrefsLoadedHook(
+      const base::Callback<void(Profile*, const base::Closure&)>& callback)
+      override;
 #endif  // defined(OS_CHROMEOS)
 
   PrefProxyConfigTracker* GetProxyConfigTracker() override;
 
   chrome_browser_net::Predictor* GetNetworkPredictor() override;
   DevToolsNetworkController* GetDevToolsNetworkController() override;
   void ClearNetworkingHistorySince(base::Time time,
                                    const base::Closure& completion) override;
   GURL GetHomePage() override;
 
@@ skipping 54 matching lines @@
   Time start_time_;
 
   base::FilePath last_selected_directory_;
 
   scoped_ptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
 
   DISALLOW_COPY_AND_ASSIGN(OffTheRecordProfileImpl);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IMPL_H_