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

components/password_manager/core/browser/credential_manager_password_form_manager.cc

 // Copyright (c) 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 "components/password_manager/core/browser/credential_manager_password_form_manager.h"
 
 #include <utility>
 
 #include "base/callback.h"
 #include "base/macros.h"
@@ skipping 27 matching lines @@
       delegate_(delegate),
       saved_form_(std::move(saved_form)),
       weak_factory_(this) {
   DCHECK(saved_form_);
   // This condition is only false on iOS.
   if (form_fetcher)
     form_fetcher->Fetch();
   GrabFetcher(std::move(form_fetcher));
 }
 
-CredentialManagerPasswordFormManager::~CredentialManagerPasswordFormManager() {
-}
-
 void CredentialManagerPasswordFormManager::ProcessMatches(
     const std::vector<const PasswordForm*>& non_federated,
     size_t filtered_count) {
   PasswordFormManager::ProcessMatches(non_federated, filtered_count);
 
   // Mark the form as "preferred", as we've been told by the API that this is
   // indeed the credential set that the user used to sign into the site.
   saved_form_->preferred = true;
   ProvisionallySave(*saved_form_, IGNORE_OTHER_POSSIBLE_USERNAMES);
 
   // Notify the delegate. This might result in deleting |this|, while
   // ProcessMatches is being called from FormFetcherImpl, owned by |this|. If
   // done directly, once ProcessMatches returns, the FormFetcherImpl will be
   // used after free. Therefore the call is posted to a separate task.
   base::SequencedTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind(&CredentialManagerPasswordFormManager::NotifyDelegate,
                  weak_factory_.GetWeakPtr()));
 }
 
+CredentialManagerPasswordFormManager::~CredentialManagerPasswordFormManager() {}
+
 void CredentialManagerPasswordFormManager::NotifyDelegate() {
   delegate_->OnProvisionalSaveComplete();
 }
 
 }  // namespace password_manager