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

chrome/browser/password_manager/update_password_infobar_delegate_android.h

 // 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.
 
 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_UPDATE_PASSWORD_INFOBAR_DELEGATE_ANDROID_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_UPDATE_PASSWORD_INFOBAR_DELEGATE_ANDROID_H_
 
 #include <memory>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/ref_counted.h"
 #include "chrome/browser/password_manager/password_manager_infobar_delegate_android.h"
 #include "chrome/browser/ui/passwords/manage_passwords_state.h"
 #include "components/password_manager/core/browser/password_form_manager.h"
 
 namespace content {
 class WebContents;
 }
 
 // An infobar delegate which asks the user if the password should be updated for
 // a set of saved credentials for a site.  If several such sets are present, the
 // user can choose which one to update.  PasswordManager displays this infobar
 // when the user signs into the site with a new password for a known username
 // or fills in a password change form.
 class UpdatePasswordInfoBarDelegate : public PasswordManagerInfoBarDelegate {
  public:
   static void Create(
       content::WebContents* web_contents,
-      scoped_refptr<password_manager::PasswordFormManager> form_to_update);
+      std::unique_ptr<password_manager::PasswordFormManager> form_to_update);
 
   ~UpdatePasswordInfoBarDelegate() override;
 
   base::string16 GetBranding() const;
   bool is_smartlock_branding_enabled() const {
     return is_smartlock_branding_enabled_;
   }
 
   // Returns whether the user has multiple saved credentials, of which the
   // infobar affects just one. In this case the infobar should clarify which
   // credential is being affected.
   bool ShowMultipleAccounts() const;
 
   const std::vector<std::unique_ptr<autofill::PasswordForm>>&
   GetCurrentForms() const;
 
   // Returns the username of the saved credentials in the case when there is
   // only one credential pair stored.
   base::string16 get_username_for_single_account() {
     return passwords_state_.form_manager()
         ->pending_credentials()
         .username_value;
   }
 
  private:
   UpdatePasswordInfoBarDelegate(
       content::WebContents* web_contents,
-      scoped_refptr<password_manager::PasswordFormManager> form_to_update,
+      std::unique_ptr<password_manager::PasswordFormManager> form_to_update,
       bool is_smartlock_branding_enabled);
 
   // ConfirmInfoBarDelegate:
   infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
   int GetButtons() const override;
   base::string16 GetButtonLabel(InfoBarButton button) const override;
   bool Accept() override;
 
   ManagePasswordsState passwords_state_;
   base::string16 branding_;
   bool is_smartlock_branding_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(UpdatePasswordInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_UPDATE_PASSWORD_INFOBAR_DELEGATE_ANDROID_H_