chrome/browser/password_manager: Change auto to not deduce raw pointers.

chrome/browser/password_manager/password_store_mac.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 "chrome/browser/password_manager/password_store_mac.h"
 
 #include <CoreServices/CoreServices.h>
 #include <stddef.h>
 #include <set>
 #include <string>
@@ skipping 528 matching lines @@
           merged_forms->push_back(std::move(form));
         } else {
           unused_database_forms.push_back(std::move(form));
         }
       });
   database_forms->swap(unused_database_forms);
 
   // Clear out all the Keychain entries we used.
   ScopedVector<autofill::PasswordForm> unused_keychain_forms;
   unused_keychain_forms.reserve(keychain_forms->size());
-  for (auto& keychain_form : *keychain_forms) {
+  for (auto*& keychain_form : *keychain_forms) {
     if (!ContainsKey(used_keychain_forms, keychain_form)) {
       unused_keychain_forms.push_back(keychain_form);
       keychain_form = nullptr;
     }
   }
   keychain_forms->swap(unused_keychain_forms);
 }
 
 std::vector<ItemFormPair> ExtractAllKeychainItemAttributesIntoPasswordForms(
     std::vector<SecKeychainItemRef>* keychain_items,
@@ skipping 837 matching lines @@
   ScopedVector<PasswordForm> forms_with_keychain_entry;
   internal_keychain_helpers::GetPasswordsForForms(*keychain_, &database_forms,
                                                   &forms_with_keychain_entry);
 
   // Clean up any orphaned database entries.
   RemoveDatabaseForms(&database_forms);
 
   // Move the orphaned DB forms to the output parameter.
   AppendSecondToFirst(orphaned_forms, &database_forms);
 }