Reland DownloadItem::Observer::OnDownloadDestroyed() replaces DownloadItem::REMOVING

content/browser/download/save_package.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_SAVE_PACKAGE_H_
 #define CONTENT_BROWSER_DOWNLOAD_SAVE_PACKAGE_H_
 #pragma once
 
 #include <queue>
 #include <string>
@@ skipping 127 matching lines @@
 
   void Stop();
   void CheckFinish();
   void SaveNextFile(bool process_all_remainder_items);
   void DoSavingProcess();
 
   // content::WebContentsObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // content::DownloadItem::Observer implementation.
-  virtual void OnDownloadUpdated(content::DownloadItem* download) OVERRIDE;
-  virtual void OnDownloadOpened(content::DownloadItem* download) OVERRIDE {}
+  virtual void OnDownloadDestructed(content::DownloadItem* download) OVERRIDE;
 
   // Update the download history of this item upon completion.
   void FinalizeDownloadEntry();
 
   // Detach from DownloadManager.
   void StopObservation();
 
   // Return max length of a path for a specific base directory.
   // This is needed on POSIX, which restrict the length of file names in
   // addition to the restriction on the length of path names.
@@ skipping 162 matching lines @@
   bool wrote_to_failed_file_;
 
   friend class SavePackageTest;
   FRIEND_TEST_ALL_PREFIXES(SavePackageTest, TestSuggestedSaveNames);
   FRIEND_TEST_ALL_PREFIXES(SavePackageTest, TestLongSafePureFilename);
 
   DISALLOW_COPY_AND_ASSIGN(SavePackage);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_SAVE_PACKAGE_H_