Make download manager treat mixed-case extensions the same as lower-case exte...

chrome/browser/download/download_manager.h

 // Copyright (c) 2006-2008 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.
 //
 // The DownloadManager object manages the process of downloading, including
 // updates to the history system and providing the information for displaying
 // the downloads view in the Destinations tab. There is one DownloadManager per
 // active profile in Chrome.
 //
 // Each download is represented by a DownloadItem, and all DownloadItems
@@ skipping 543 matching lines @@
   StringPrefMember download_path_;
 
   // The user's last choice for download directory. This is only used when the
   // user wants us to prompt for a save location for each download.
   FilePath last_download_path_;
 
   // Set of file extensions to open at download completion.
   std::set<FilePath::StringType> auto_open_;
 
   // Set of file extensions that are executables and shouldn't be auto opened.
-  std::set<FilePath::StringType> exe_types_;
+  std::set<std::string> exe_types_;
 
   // Keep track of downloads that are completed before the user selects the
   // destination, so that observers are appropriately notified of completion
   // after this determination is made.
   // The map is of download_id->remaining size (bytes), both of which are
   // required when calling DownloadFinished.
   typedef std::map<int32, int64> PendingFinishedMap;
   PendingFinishedMap pending_finished_downloads_;
 
   // The "Save As" dialog box used to ask the user where a file should be
   // saved.
   scoped_refptr<SelectFileDialog> select_file_dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadManager);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_