Restart Chrome on ChromeOS as early as possible to speed up restart.

chrome/browser/chromeos/login/fake_login_utils.h

 // Copyright 2013 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_FAKE_LOGIN_UTILS_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_FAKE_LOGIN_UTILS_H_
 
 #include "chrome/browser/chromeos/login/auth/user_context.h"
 #include "chrome/browser/chromeos/login/login_utils.h"
 
@@ skipping 13 matching lines @@
   virtual void DoBrowserLaunch(Profile* profile,
                                LoginDisplayHost* login_host) OVERRIDE;
   virtual void PrepareProfile(const UserContext& user_context,
                               bool has_cookies,
                               bool has_active_session,
                               LoginUtils::Delegate* delegate) OVERRIDE;
   virtual void DelegateDeleted(LoginUtils::Delegate* delegate) OVERRIDE;
   virtual void CompleteOffTheRecordLogin(const GURL& start_url) OVERRIDE;
   virtual scoped_refptr<Authenticator> CreateAuthenticator(
       LoginStatusConsumer* consumer) OVERRIDE;
+  virtual bool RestartToApplyPerSessionFlagsIfNeed(Profile* profile,
+                                                   bool early_restart) OVERRIDE;
 
   void SetExpectedCredentials(const UserContext& user_context);
   void set_should_launch_browser(bool should_launch_browser) {
     should_launch_browser_ = should_launch_browser;
   }
 
  private:
   scoped_refptr<Authenticator> authenticator_;
   UserContext expected_user_context_;
   bool should_launch_browser_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeLoginUtils);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_FAKE_LOGIN_UTILS_H_