GTTF: Clean up DownloadFileManager

chrome/browser/download/download_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 DownloadManager object manages the process of downloading, including
 // updates to the history system and providing the information for displaying
 // the downloads view in the Destinations tab. There is one DownloadManager per
 // active profile in Chrome.
 //
 // Download observers:
@@ skipping 48 matching lines @@
     : public base::RefCountedThreadSafe<DownloadManager,
                                         ChromeThread::DeleteOnUIThread>,
       public SelectFileDialog::Listener {
   // For testing.
   friend class DownloadManagerTest;
   friend class MockDownloadManager;
 
  public:
   DownloadManager();
 
+  // Shutdown the download manager. Must be called before destruction.
+  void Shutdown();
+
   // Interface to implement for observers that wish to be informed of changes
   // to the DownloadManager's collection of downloads.
   class Observer {
    public:
     // New or deleted download, observers should query us for the current set
     // of downloads.
     virtual void ModelChanged() = 0;
 
     // Called when the DownloadManager is being destroyed to prevent Observers
     // from calling back to a stale pointer.
@@ skipping 140 matching lines @@
   friend class ChromeThread;
   friend class DeleteTask<DownloadManager>;
   friend class OtherDownloadManagerObserver;
 
   ~DownloadManager();
 
   // Opens a download via the Windows shell.
   void OpenDownloadInShell(DownloadItem* download,
                            gfx::NativeView parent_window);
 
-  // Shutdown the download manager.  This call is needed only after Init.
-  void Shutdown();
-
   // Called on the download thread to check whether the suggested file path
   // exists.  We don't check if the file exists on the UI thread to avoid UI
   // stalls from interacting with the file system.
   void CheckIfSuggestedPathExists(DownloadCreateInfo* info);
 
   // Called on the UI thread once the DownloadManager has determined whether the
   // suggested file path exists.
   void OnPathExistenceAvailable(DownloadCreateInfo* info);
 
   // Called back after a target path for the file to be downloaded to has been
@@ skipping 109 matching lines @@
   // The "Save As" dialog box used to ask the user where a file should be
   // saved.
   scoped_refptr<SelectFileDialog> select_file_dialog_;
 
   scoped_ptr<OtherDownloadManagerObserver> other_download_manager_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadManager);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_