Add Browser::SkipCallBeforeUnload so that the browser windows can be closed regardless of beforeunl…

chrome/browser/signin/chrome_signin_client.cc

 // 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.
 
 #include "chrome/browser/signin/chrome_signin_client.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 265 matching lines @@
 }
 
 void ChromeSigninClient::PreSignOut(const base::Callback<void()>& sign_out) {
 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
   if (is_force_signin_enabled_ && !profile_->IsSystemProfile() &&
       !profile_->IsGuestSession() && !profile_->IsSupervised()) {
     BrowserList::CloseAllBrowsersWithProfile(
         profile_, base::Bind(&ChromeSigninClient::OnCloseBrowsersSuccess,
                              base::Unretained(this), sign_out),
         base::Bind(&ChromeSigninClient::OnCloseBrowsersAborted,
-                   base::Unretained(this)));
+                   base::Unretained(this)),
+        false);
   } else {
 #else
   {
 #endif
     SigninClient::PreSignOut(sign_out);
   }
 }
 
 void ChromeSigninClient::OnErrorChanged() {
   // Some tests don't have a ProfileManager.
@@ skipping 160 matching lines @@
     return;
   entry->LockForceSigninProfile(true);
 }
 
 void ChromeSigninClient::ShowUserManager(const base::FilePath& profile_path) {
 #if !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
   UserManager::Show(profile_path, profiles::USER_MANAGER_NO_TUTORIAL,
                     profiles::USER_MANAGER_SELECT_PROFILE_NO_ACTION);
 #endif
 }