Introduce restricted PasswordFormManager::GrabFetcher

components/password_manager/core/browser/password_form_manager.cc

 // Copyright (c) 2012 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/password_form_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
@@ skipping 1210 matching lines @@
 }
 
 void PasswordFormManager::ResetStoredMatches() {
   preferred_match_ = nullptr;
   best_matches_.clear();
   not_best_matches_.clear();
   blacklisted_matches_.clear();
   new_blacklisted_.reset();
 }
 
+void PasswordFormManager::GrabFetcher(std::unique_ptr<FormFetcher> fetcher) {
+  DCHECK(!owned_form_fetcher_);
+  owned_form_fetcher_ = std::move(fetcher);
+  DCHECK_EQ(owned_form_fetcher_.get(), form_fetcher_);
+}
+
 void PasswordFormManager::SendVotesOnSave() {
   if (observed_form_.IsPossibleChangePasswordFormWithoutUsername())
     return;
 
   // Upload credentials the first time they are saved. This data is used
   // by password generation to help determine account creation sites.
   // Credentials that have been previously used (e.g., PSL matches) are checked
   // to see if they are valid account creation forms.
   if (pending_credentials_.times_used == 0) {
       autofill::ServerFieldType password_type = autofill::PASSWORD;
@@ skipping 75 matching lines @@
         credentials_to_update->back().password_value =
             pending_credentials_.password_value;
       }
     }
   }
 
   return old_primary_key;
 }
 
 }  // namespace password_manager