Use the most recently used download path when displaying a "save as" dialog....

chrome/browser/browsing_data_remover.cc

 // 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.
 
 #include "chrome/browser/browsing_data_remover.h"
 
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/profile.h"
@@ skipping 72 matching lines @@
     // We also delete the last session when we delete the history.
     SessionService* session_service = profile_->GetSessionService();
     if (session_service)
       session_service->DeleteSession(false);   // Last session.
   }
 
   if (remove_mask & REMOVE_DOWNLOADS) {
     UserMetrics::RecordAction(L"ClearBrowsingData_Downloads", profile_);
     DownloadManager* download_manager = profile_->GetDownloadManager();
     download_manager->RemoveDownloadsBetween(delete_begin_, delete_end_);
+    download_manager->ClearLastDownloadPath();
   }
 
   if (remove_mask & REMOVE_COOKIES) {
     UserMetrics::RecordAction(L"ClearBrowsingData_Cookies", profile_);
     net::CookieMonster* cookie_monster =
         profile_->GetRequestContext()->cookie_store();
     cookie_monster->DeleteAllCreatedBetween(delete_begin_, delete_end_, true);
   }
 
   if (remove_mask & REMOVE_PASSWORDS) {
@@ skipping 101 matching lines @@
     if (delete_begin.is_null())
       cache->DoomAllEntries();
     else
       cache->DoomEntriesBetween(delete_begin, delete_end);
   }
 
   // Notify the UI thread that we are done.
   ui_loop->PostTask(FROM_HERE, NewRunnableMethod(
       this, &BrowsingDataRemover::ClearedCache));
 }