Reland DownloadManager::GetAllDownloads actually does now

content/browser/download/download_manager_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_IMPL_H_
 
 #include <map>
 #include <set>
 
@@ skipping 35 matching lines @@
       const GURL& page_url,
       const std::string& mime_type,
       content::DownloadItem::Observer* observer);
 
   // content::DownloadManager functions.
   virtual void SetDelegate(content::DownloadManagerDelegate* delegate) OVERRIDE;
   virtual content::DownloadManagerDelegate* GetDelegate() const OVERRIDE;
   virtual void Shutdown() OVERRIDE;
   virtual void GetTemporaryDownloads(const FilePath& dir_path,
                                      DownloadVector* result) OVERRIDE;
-  virtual void GetAllDownloads(const FilePath& dir_path,
-                               DownloadVector* result) OVERRIDE;
+  virtual void GetAllDownloads(DownloadVector* result) OVERRIDE;
   virtual void SearchDownloads(const string16& query,
                                DownloadVector* result) OVERRIDE;
   virtual bool Init(content::BrowserContext* browser_context) OVERRIDE;
   virtual content::DownloadId StartDownload(
       scoped_ptr<DownloadCreateInfo> info,
       scoped_ptr<content::ByteStreamReader> stream) OVERRIDE;
   virtual void UpdateDownload(int32 download_id,
                               int64 bytes_so_far,
                               int64 bytes_per_sec,
                               const std::string& hash_state) OVERRIDE;
@@ skipping 164 matching lines @@
 
   // Allows an embedder to control behavior. Guaranteed to outlive this object.
   content::DownloadManagerDelegate* delegate_;
 
   net::NetLog* net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadManagerImpl);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_IMPL_H_