Installing extensions (drag/drop, download crx file) will now be...

chrome/browser/download/download_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.
 //
 // 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.
 //
 // Each download is represented by a DownloadItem, and all DownloadItems
@@ skipping 317 matching lines @@
 
   // Helper method for cancelling the network request associated with a
   // download.
   static void CancelDownloadRequest(int render_process_id, int request_id);
 
   // Called from a view when a user clicks a UI button or link.
   void DownloadCancelled(int32 download_id);
   void PauseDownload(int32 download_id, bool pause);
   void RemoveDownload(int64 download_handle);
 
+  // Called when the download is renamed to its final name.
+  void DownloadRenamedToFinalName(int download_id, const FilePath& full_path);
+
   // Remove downloads after remove_begin (inclusive) and before remove_end
   // (exclusive). You may pass in null Time values to do an unbounded delete
   // in either direction.
   int RemoveDownloadsBetween(const base::Time remove_begin,
                              const base::Time remove_end);
 
   // Remove downloads will delete all downloads that have a timestamp that is
   // the same or more recent than |remove_begin|. The number of downloads
   // deleted is returned back to the caller.
   int RemoveDownloads(const base::Time remove_begin);
 
   // Download the object at the URL. Used in cases such as "Save Link As..."
   void DownloadUrl(const GURL& url,
                    const GURL& referrer,
                    WebContents* web_contents);
 
   // Allow objects to observe the download creation process.
   void AddObserver(Observer* observer);
 
   // Remove a download observer from ourself.
   void RemoveObserver(Observer* observer);
 
   // Methods called on completion of a query sent to the history system.
   void OnQueryDownloadEntriesComplete(
       std::vector<DownloadCreateInfo>* entries);
   void OnCreateDownloadEntryComplete(DownloadCreateInfo info, int64 db_handle);
   void OnSearchComplete(HistoryService::Handle handle,
                         std::vector<int64>* results);
 
-  // Show or Open a download via the Windows shell.
+  // Opens a download. For Chrome extensions call
+  // ExtensionsServices::InstallExtension, for everything else call
+  // OpenDownloadInShell.
+  void OpenDownload(const DownloadItem* download,
+                    gfx::NativeView parent_window);
+
+  // Show a download via the Windows shell.
   void ShowDownloadInShell(const DownloadItem* download);
-  void OpenDownloadInShell(const DownloadItem* download,
-                           gfx::NativeView parent_window);
 
   // The number of in progress (including paused) downloads.
   int in_progress_count() const {
     return static_cast<int>(in_progress_.size());
   }
 
   FilePath download_path() {
     return FilePath::FromWStringHack(*download_path_);
   }
 
@@ skipping 32 matching lines @@
   // Called when the user has validated the donwload of a dangerous file.
   void DangerousDownloadValidated(DownloadItem* download);
 
   // Used to make sure we have a safe file extension and filename for a
   // download.  |file_name| can either be just the file name or it can be a
   // full path to a file.
   void GenerateSafeFilename(const std::string& mime_type,
                             FilePath* file_name);
 
  private:
+  // Opens a download via the Windows shell.
+  void OpenDownloadInShell(const DownloadItem* download,
+                           gfx::NativeView parent_window);
+
+  // Opens downloaded Chrome extension file (*.crx).
+  void OpenChromeExtension(const FilePath& full_path);
+
   // 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.
@@ skipping 139 matching lines @@
   PendingFinishedMap pending_finished_downloads_;
 
   // The "Save As" dialog box used to ask the user where a file should be
   // saved.
   scoped_refptr<SelectFileDialog> select_file_dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadManager);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_