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chrome/browser/net/file_downloader.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2015 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_SUPERVISED_USER_EXPERIMENTAL_SUPERVISED_USER_BLACKLIST_DOWNLOADER_H_
-#define CHROME_BROWSER_SUPERVISED_USER_EXPERIMENTAL_SUPERVISED_USER_BLACKLIST_DOWNLOADER_H_
+#ifndef CHROME_BROWSER_NET_FILE_DOWNLOADER_H_
+#define CHROME_BROWSER_NET_FILE_DOWNLOADER_H_
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 namespace base {
 class FilePath;
 }  // namespace base
 
 namespace net {
 class URLFetcher;
 class URLRequestContextGetter;
 }  // namespace net
 
 class GURL;
 
-// Helper class to download a blacklist file from a given URL and store it in a
-// local file. If the local file already exists, reports success without
-// downloading anything.
-class SupervisedUserBlacklistDownloader : public net::URLFetcherDelegate {
+// Helper class to download a file from a given URL and store it in a local
+// file. If the local file already exists, reports success without downloading
+// anything.
+// TODO(treib): Add a "bool overwrite" param?
+class FileDownloader : public net::URLFetcherDelegate {
  public:
   typedef base::Callback<void(bool /* success */)> DownloadFinishedCallback;
 
   // Directly starts the download (if necessary) and runs |callback| when done.
   // If the instance is destroyed before it is finished, |callback| is not run.
-  SupervisedUserBlacklistDownloader(
-      const GURL& url,
-      const base::FilePath& path,
-      net::URLRequestContextGetter* request_context,
-      const DownloadFinishedCallback& callback);
-  ~SupervisedUserBlacklistDownloader() override;
+  FileDownloader(const GURL& url,
+                 const base::FilePath& path,
+                 net::URLRequestContextGetter* request_context,
+                 const DownloadFinishedCallback& callback);
+  ~FileDownloader() override;
 
  private:
   // net::URLFetcherDelegate implementation.
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   void OnFileExistsCheckDone(bool exists);
 
   DownloadFinishedCallback callback_;
 
   scoped_ptr<net::URLFetcher> fetcher_;
 
-  base::WeakPtrFactory<SupervisedUserBlacklistDownloader> weak_ptr_factory_;
+  base::WeakPtrFactory<FileDownloader> weak_ptr_factory_;
 
-  DISALLOW_COPY_AND_ASSIGN(SupervisedUserBlacklistDownloader);
+  DISALLOW_COPY_AND_ASSIGN(FileDownloader);
 };
 
-#endif  // CHROME_BROWSER_SUPERVISED_USER_EXPERIMENTAL_SUPERVISED_USER_BLACKLIST_DOWNLOADER_H_
+#endif  // CHROME_BROWSER_NET_FILE_DOWNLOADER_H_