Remove auto raw pointer deduction from non-linux specific code.

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 <algorithm>
 #include <iterator>
@@ skipping 529 matching lines @@
   keychain_forms->swap(unused_keychain_forms);
 }
 
 std::vector<ItemFormPair> ExtractAllKeychainItemAttributesIntoPasswordForms(
     std::vector<SecKeychainItemRef>* keychain_items,
     const AppleKeychain& keychain) {
   DCHECK(keychain_items);
   MacKeychainPasswordFormAdapter keychain_adapter(&keychain);
   *keychain_items = keychain_adapter.GetAllPasswordFormKeychainItems();
   std::vector<ItemFormPair> item_form_pairs;
-  for (const auto& keychain_item : *keychain_items) {
+  for (auto* keychain_item : *keychain_items) {
     std::unique_ptr<PasswordForm> form_without_password =
         base::MakeUnique<PasswordForm>();
     internal_keychain_helpers::FillPasswordFormFromKeychainItem(
         keychain, keychain_item, form_without_password.get(),
         false);  // Load password attributes, but not password data.
     item_form_pairs.push_back(
         std::make_pair(keychain_item, std::move(form_without_password)));
   }
   return item_form_pairs;
 }
@@ skipping 817 matching lines @@
   std::vector<std::unique_ptr<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);
 }