Added a link to the downloads tab that opens the downloads folder.

chrome/browser/ui/webui/downloads_ui.cc

 // 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.
 
 #include "chrome/browser/ui/webui/downloads_ui.h"
 
 #include "base/memory/singleton.h"
 #include "base/string_piece.h"
 #include "base/threading/thread.h"
 #include "base/values.h"
@@ skipping 18 matching lines @@
 ChromeWebUIDataSource *CreateDownloadsUIHTMLSource() {
   ChromeWebUIDataSource *source =
       new ChromeWebUIDataSource(chrome::kChromeUIDownloadsHost);
 
   source->AddLocalizedString("title", IDS_DOWNLOAD_TITLE);
   source->AddLocalizedString("searchbutton", IDS_DOWNLOAD_SEARCH_BUTTON);
   source->AddLocalizedString("no_results", IDS_DOWNLOAD_SEARCH_BUTTON);
   source->AddLocalizedString("searchresultsfor", IDS_DOWNLOAD_SEARCHRESULTSFOR);
   source->AddLocalizedString("downloads", IDS_DOWNLOAD_TITLE);
   source->AddLocalizedString("clear_all", IDS_DOWNLOAD_LINK_CLEAR_ALL);
+  source->AddLocalizedString("open_downloads_folder",
+                             IDS_DOWNLOAD_LINK_OPEN_DOWNLOADS_FOLDER);
 
   // Status.
   source->AddLocalizedString("status_cancelled", IDS_DOWNLOAD_TAB_CANCELED);
   source->AddLocalizedString("status_removed", IDS_DOWNLOAD_FILE_REMOVED);
   source->AddLocalizedString("status_paused", IDS_DOWNLOAD_PROGRESS_PAUSED);
   source->AddLocalizedString("status_interrupted",
                              IDS_DOWNLOAD_PROGRESS_INTERRUPTED);
 
   // Dangerous file.
   source->AddLocalizedString("danger_file_desc", IDS_PROMPT_DANGEROUS_DOWNLOAD);
@@ skipping 38 matching lines @@
   // Set up the chrome://downloads/ source.
   contents->profile()->GetChromeURLDataManager()->AddDataSource(
       CreateDownloadsUIHTMLSource());
 }
 
 // static
 RefCountedMemory* DownloadsUI::GetFaviconResourceBytes() {
   return ResourceBundle::GetSharedInstance().
       LoadDataResourceBytes(IDR_DOWNLOADS_FAVICON);
 }