Added member data to classes to support download resumption.

content/browser/download/download_persistent_store_info.h

 // Copyright (c) 2011 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.
 //
 // Download struct used for informing and querying the download system's
 // persitent store.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_PERSISTENT_STORE_INFO_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_PERSISTENT_STORE_INFO_H_
 #pragma once
@@ skipping 12 matching lines @@
 // Contains the information that is stored in the download system's persistent
 // store (or refers to it).  Managed by the DownloadItem.  When used to create a
 // history entry, all fields except for |db_handle| are set by DownloadItem and
 // read by DownloadDatabase.  When used to update a history entry, DownloadItem
 // sets all fields, but DownloadDatabase only reads |end_time|,
 // |received_bytes|, |state|, and |opened|, and uses |db_handle| to select the
 // row in the database table to update.  When used to load DownloadItems from
 // the history, all fields except |referrer_url| are set by the DownloadDatabase
 // and read by the DownloadItem.
 struct CONTENT_EXPORT DownloadPersistentStoreInfo {
-  // TODO(ahendrickson) -- Reduce the number of constructors.
   DownloadPersistentStoreInfo();
   DownloadPersistentStoreInfo(const FilePath& path,
                               const GURL& url,
                               const GURL& referrer,
                               const base::Time& start,
                               const base::Time& end,
                               int64 received,
                               int64 total,
                               int32 download_state,
                               int64 handle,
@@ skipping 27 matching lines @@
 
   // The handle of the download in the database. Is not changed by
   // UpdateEntry().
   int64 db_handle;
 
   // Whether this download has ever been opened from the browser.
   bool opened;
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_PERSISTENT_STORE_INFO_H_