Last patch in removing MessageLoop* caching.

chrome/browser/download/download_request_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_MANAGER_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/ref_counted.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 
 class DownloadRequestInfoBarDelegate;
-class MessageLoop;
 class NavigationController;
 class TabContents;
 
 // DownloadRequestManager is responsible for determining whether a download
 // should be allowed or not. It is designed to keep pages from downloading
 // multiple files without user interaction. DownloadRequestManager is invoked
 // from ResourceDispatcherHost any time a download begins
 // (CanDownloadOnIOThread). The request is processed on the UI thread, and the
 // request is notified (back on the IO thread) as to whether the download should
 // be allowed or denied.
@@ skipping 113 matching lines @@
 
     // Used to remove observers installed on NavigationController.
     NotificationRegistrar registrar_;
 
     // Handles showing the infobar to the user, may be null.
     DownloadRequestInfoBarDelegate* infobar_;
 
     DISALLOW_COPY_AND_ASSIGN(TabDownloadState);
   };
 
-  DownloadRequestManager(MessageLoop* io_loop, MessageLoop* ui_loop);
+  DownloadRequestManager();
   ~DownloadRequestManager();
 
   // Returns the download status for a page. This does not change the state in
   // anyway.
   DownloadStatus GetDownloadStatus(TabContents* tab);
 
   // Updates the state of the page as necessary and notifies the callback.
   // WARNING: both this call and the callback are invoked on the io thread.
   //
   // DownloadRequestManager does not retain/release the Callback. It is up to
@@ skipping 46 matching lines @@
   void ScheduleNotification(Callback* callback, bool allow);
 
   // Notifies the callback. This *must* be invoked on the IO thread.
   void NotifyCallback(Callback* callback, bool allow);
 
   // Removes the specified TabDownloadState from the internal map and deletes
   // it. This has the effect of resetting the status for the tab to
   // ALLOW_ONE_DOWNLOAD.
   void Remove(TabDownloadState* state);
 
-  // Two threads we use. NULL during testing, in which case messages are
-  // dispatched immediately.
-  MessageLoop* io_loop_;
-  MessageLoop* ui_loop_;
-
   // Maps from tab to download state. The download state for a tab only exists
   // if the state is other than ALLOW_ONE_DOWNLOAD. Similarly once the state
   // transitions from anything but ALLOW_ONE_DOWNLOAD back to ALLOW_ONE_DOWNLOAD
   // the TabDownloadState is removed and deleted (by way of Remove).
   typedef std::map<NavigationController*, TabDownloadState*> StateMap;
   StateMap state_map_;
 
   static TestingDelegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadRequestManager);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_MANAGER_H_