Download code cleanup:

chrome/browser/download/download_file_manager.h

 // Copyright (c) 2010 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.
 //
 // 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.
 //
 // The DownloadFileManager uses the file_thread for performing file write
@@ skipping 60 matching lines @@
   // Called on the IO thread
   int GetNextId();
 
   // Handlers for notifications sent from the IO thread and run on the
   // download thread.
   void StartDownload(DownloadCreateInfo* info);
   void UpdateDownload(int id, DownloadBuffer* buffer);
   void CancelDownload(int id);
   void DownloadFinished(int id, DownloadBuffer* buffer);
 
-  // Download the URL. Called on the UI thread and forwarded to the
-  // ResourceDispatcherHost on the IO thread.
-  void DownloadUrl(const GURL& url,
-                   const GURL& referrer,
-                   const std::string& referrer_charset,
-                   const DownloadSaveInfo& save_info,
-                   int render_process_host_id,
-                   int render_view_id,
-                   URLRequestContextGetter* request_context_getter);
-
   // Called on the UI thread to remove a download item or manager.
   void RemoveDownloadManager(DownloadManager* manager);
   void RemoveDownload(int id, DownloadManager* manager);
 
 #if !defined(OS_MACOSX)
   // The open and show methods run on the file thread, which does not work on
   // Mac OS X (which uses the UI thread for opens).
 
   // Handler for shell operations sent from the UI to the download thread.
   void OnShowDownloadInShell(const FilePath& full_path);
@@ skipping 15 matching lines @@
   ~DownloadFileManager();
 
   // Timer helpers for updating the UI about the current progress of a download.
   void StartUpdateTimer();
   void StopUpdateTimer();
   void UpdateInProgressDownloads();
 
   // Clean up helper that runs on the download thread.
   void OnShutdown();
 
-  // Run on the IO thread to initiate the download of a URL.
-  void OnDownloadUrl(const GURL& url,
-                     const GURL& referrer,
-                     const std::string& referrer_charset,
-                     const DownloadSaveInfo& save_info,
-                     int render_process_host_id,
-                     int render_view_id,
-                     URLRequestContextGetter* request_context_getter);
-
   // Handlers for notifications sent from the download thread and run on
   // the UI thread.
   void OnStartDownload(DownloadCreateInfo* info);
   void OnDownloadFinished(int id, int64 bytes_so_far);
 
   // Called only on UI thread to get the DownloadManager for a tab's profile.
   static DownloadManager* DownloadManagerFromRenderIds(int render_process_id,
                                                        int review_view_id);
-  DownloadManager* LookupManager(int download_id);
+  DownloadManager* GetDownloadManager(int download_id);
 
   // Called only on the download thread.
-  DownloadFile* LookupDownload(int id);
+  DownloadFile* GetDownloadFile(int id);
 
   // Called on the UI thread to remove a download from the UI progress table.
   void RemoveDownloadFromUIProgress(int id);
 
   // Unique ID for each DownloadFile.
   int next_id_;
 
   // A map of all in progress downloads.
   typedef base::hash_map<int, DownloadFile*> DownloadFileMap;
   DownloadFileMap downloads_;
@@ skipping 17 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_MANAGER_H_