[Password Manager] Convert |pending_login_managers_| to an array of scoped_refptr

ios/chrome/browser/passwords/ios_chrome_update_password_infobar_delegate.mm

 // Copyright 2016 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 "ios/chrome/browser/passwords/ios_chrome_update_password_infobar_delegate.h"
 
 #include <utility>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/infobars/core/infobar.h"
 #include "components/infobars/core/infobar_manager.h"
 #include "components/password_manager/core/browser/password_form_manager.h"
 #include "components/password_manager/core/browser/password_manager_constants.h"
 #include "components/strings/grit/components_strings.h"
 #include "ios/chrome/browser/infobars/infobar.h"
 #import "ios/chrome/browser/passwords/update_password_infobar_controller.h"
 #include "ios/chrome/grit/ios_chromium_strings.h"
 #include "ios/chrome/grit/ios_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using password_manager::PasswordFormManager;
 
 // static
 void IOSChromeUpdatePasswordInfoBarDelegate::Create(
     bool is_smart_lock_branding_enabled,
     infobars::InfoBarManager* infobar_manager,
-    std::unique_ptr<PasswordFormManager> form_manager) {
+    scoped_refptr<PasswordFormManager> form_manager) {
   DCHECK(infobar_manager);
   auto delegate = base::WrapUnique(new IOSChromeUpdatePasswordInfoBarDelegate(
       is_smart_lock_branding_enabled, std::move(form_manager)));
   std::unique_ptr<InfoBarIOS> infobar(new InfoBarIOS(std::move(delegate)));
   base::scoped_nsobject<UpdatePasswordInfoBarController> controller(
       [[UpdatePasswordInfoBarController alloc] initWithDelegate:infobar.get()]);
   infobar->SetController(controller);
   infobar_manager->AddInfoBar(std::move(infobar));
 }
 
 IOSChromeUpdatePasswordInfoBarDelegate::
     ~IOSChromeUpdatePasswordInfoBarDelegate() {}
 
 IOSChromeUpdatePasswordInfoBarDelegate::IOSChromeUpdatePasswordInfoBarDelegate(
     bool is_smart_lock_branding_enabled,
-    std::unique_ptr<PasswordFormManager> form_manager)
+    scoped_refptr<PasswordFormManager> form_manager)
     : IOSChromePasswordManagerInfoBarDelegate(is_smart_lock_branding_enabled,
                                               std::move(form_manager)) {
   selected_account_ = form_to_save()->preferred_match()->username_value;
 }
 
 bool IOSChromeUpdatePasswordInfoBarDelegate::ShowMultipleAccounts() const {
   // If a password is overriden, we know that the preferred match account is
   // correct, so should not provide the option to choose a different account.
   return form_to_save()->best_matches().size() > 1 &&
          !form_to_save()->password_overridden();
@@ skipping 41 matching lines @@
 bool IOSChromeUpdatePasswordInfoBarDelegate::Accept() {
   DCHECK(form_to_save());
   if (ShowMultipleAccounts()) {
     form_to_save()->Update(
         *form_to_save()->best_matches().at(selected_account_));
   } else {
     form_to_save()->Update(form_to_save()->pending_credentials());
   }
   return true;
 }