Add quarantine metadata to downloads on the Mac.

chrome/browser/download/download_file.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.
 //
 // Objects that handle file operations for downloads, on the download thread.
 //
 // The DownloadFileManager owns a set of DownloadFile objects, each of which
 // represent one in progress download and performs the disk IO for that
 // download. The DownloadFileManager itself is a singleton object owned by the
 // ResourceDispatcherHost.
@@ skipping 103 matching lines @@
  private:
   // Open or Close the OS file handle. The file is opened in the constructor
   // based on creation information passed to it, and automatically closed in
   // the destructor.
   void Close();
   bool Open(const char* open_mode);
 
   // OS file handle for writing
   FILE* file_;
 
+  // Source URL for the file being downloaded.
+  GURL source_url_;
+
+  // The URL where the download was initiated.
+  GURL referrer_url_;
+
   // The unique identifier for this download, assigned at creation by
   // the DownloadFileManager for its internal record keeping.
   int id_;
 
   // IDs for looking up the tab we are associated with.
   int render_process_id_;
   int render_view_id_;
 
   // Handle for informing the ResourceDispatcherHost of a UI based cancel.
   int request_id_;
@@ skipping 136 matching lines @@
   // Used for progress updates on the UI thread, mapping download->id() to bytes
   // received so far. Written to by the file thread and read by the UI thread.
   typedef base::hash_map<int, int64> ProgressMap;
   ProgressMap ui_progress_;
   Lock progress_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadFileManager);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_