Automated IWYU fix for TaskRunner includes.

chrome/browser/password_manager/password_store_win.h

 // 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.
 
 #ifndef CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_WIN_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_WIN_H_
 
 #include <memory>
 
 #include "base/macros.h"
+#include "base/single_thread_task_runner.h"
 #include "components/password_manager/core/browser/password_store_default.h"
 
 class PasswordWebDataService;
 
 namespace password_manager {
 class LoginDatabase;
 }
 
 // Windows PasswordStore implementation that uses the default implementation,
 // but also uses IE7 passwords if no others found.
@@ skipping 22 matching lines @@
   // password_manager::PasswordStore:
   void GetLoginsImpl(const password_manager::PasswordStore::FormDigest& form,
                      std::unique_ptr<GetLoginsRequest> request) override;
 
   std::unique_ptr<DBHandler> db_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordStoreWin);
 };
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_STORE_WIN_H_