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

chrome/browser/ui/passwords/passwords_client_ui_delegate.h

 // Copyright 2015 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_UI_PASSWORDS_PASSWORDS_CLIENT_UI_DELEGATE_H_
 #define CHROME_BROWSER_UI_PASSWORDS_PASSWORDS_CLIENT_UI_DELEGATE_H_
 
 #include <map>
 #include <memory>
 #include <vector>
 
 #include "base/callback.h"
-#include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "components/autofill/core/common/password_form.h"
 
 namespace content {
 class WebContents;
 }
 
 namespace password_manager {
 class PasswordFormManager;
 }
 
 // An interface for ChromePasswordManagerClient implemented by
 // ManagePasswordsUIController. Allows to push a new state for the tab.
 class PasswordsClientUIDelegate {
  public:
   // Called when the user submits a form containing login information, so the
   // later requests to save or blacklist can be handled.
   // This stores the provided object and triggers the UI to prompt the user
   // about whether they would like to save the password.
   virtual void OnPasswordSubmitted(
-      scoped_refptr<password_manager::PasswordFormManager> form_manager) = 0;
+      std::unique_ptr<password_manager::PasswordFormManager> form_manager) = 0;
 
   // Called when the user submits a new password for an existing credential.
   // This stores the provided object and triggers the UI to prompt the user
   // about whether they would like to update the password.
   virtual void OnUpdatePasswordSubmitted(
-      scoped_refptr<password_manager::PasswordFormManager> form_manager) = 0;
+      std::unique_ptr<password_manager::PasswordFormManager> form_manager) = 0;
 
   // Called when the site asks user to choose from credentials. This triggers
   // the UI to prompt the user. |local_credentials| shouldn't be empty. |origin|
   // is a URL of the site that requested a credential.
   // Returns true when the UI is shown. |callback| is called when the user made
   // a decision. If the UI isn't shown the method returns false and doesn't call
   // |callback|.
   virtual bool OnChooseCredentials(
       std::vector<std::unique_ptr<autofill::PasswordForm>> local_credentials,
       const GURL& origin,
       const base::Callback<void(const autofill::PasswordForm*)>& callback) = 0;
 
   // Called when user is auto signed in to the site. |local_forms[0]| contains
   // the credential returned to the site. |origin| is a URL of the site.
   virtual void OnAutoSignin(
       std::vector<std::unique_ptr<autofill::PasswordForm>> local_forms,
       const GURL& origin) = 0;
 
   // Called when it's the right time to enable autosign-in explicitly.
   virtual void OnPromptEnableAutoSignin() = 0;
 
   // Called when the password will be saved automatically, but we still wish to
   // visually inform the user that the save has occured.
   virtual void OnAutomaticPasswordSave(
-      scoped_refptr<password_manager::PasswordFormManager> form_manager) = 0;
+      std::unique_ptr<password_manager::PasswordFormManager> form_manager) = 0;
 
   // Called when a form is autofilled with login information, so we can manage
   // password credentials for the current site which are stored in
   // |password_form_map|. This stores a copy of |password_form_map| and shows
   // the manage password icon. |federated_matches| contain the matching stored
   // federated credentials to display in the UI.
   virtual void OnPasswordAutofilled(
       const std::map<base::string16, const autofill::PasswordForm*>&
           password_form_map,
       const GURL& origin,
       const std::vector<const autofill::PasswordForm*>* federated_matches) = 0;
 
  protected:
   virtual ~PasswordsClientUIDelegate() = default;
 };
 
 // Returns ManagePasswordsUIController instance for |contents|
 PasswordsClientUIDelegate* PasswordsClientUIDelegateFromWebContents(
     content::WebContents* web_contents);
 
 #endif  // CHROME_BROWSER_UI_PASSWORDS_PASSWORDS_CLIENT_UI_DELEGATE_H_