|  | // Copyright 2019 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_DOWNLOAD_DOWNLOAD_MANAGER_UTILS_H_ | 
|  | #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_UTILS_H_ | 
|  |  | 
|  | #include "base/callback_forward.h" | 
|  | #include "base/macros.h" | 
|  |  | 
|  | class Profile; | 
|  | class ProfileKey; | 
|  |  | 
|  | namespace download { | 
|  | class InProgressDownloadManager; | 
|  | } | 
|  |  | 
|  | class DownloadManagerUtils { | 
|  | public: | 
|  | // Creates an InProgressDownloadManager from a profile. | 
|  | static download::InProgressDownloadManager* RetrieveInProgressDownloadManager( | 
|  | Profile* profile); | 
|  |  | 
|  | // Initializes the SimpleDownloadManager that is associated with |key| whenver | 
|  | // possible. | 
|  | static void InitializeSimpleDownloadManager(ProfileKey* key); | 
|  |  | 
|  | // Creates an InProgressDownloadManager for a particular |key| if it doesn't | 
|  | // exist and return the pointer. | 
|  | static download::InProgressDownloadManager* GetInProgressDownloadManager( | 
|  | ProfileKey* key); | 
|  |  | 
|  | // Registers a `callback` to be run during subsequent invocations of | 
|  | // `RetrieveInProgressDownloadManager()`, providing an opportunity to cache | 
|  | // a pointer to the in progress download manager being released. | 
|  | static void SetRetrieveInProgressDownloadManagerCallbackForTesting( | 
|  | base::RepeatingCallback<void(download::InProgressDownloadManager*)> | 
|  | callback); | 
|  |  | 
|  | private: | 
|  | DISALLOW_COPY_AND_ASSIGN(DownloadManagerUtils); | 
|  | }; | 
|  |  | 
|  | #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_UTILS_H_ |