Standardize usage of virtual/override/final in content/browser/

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_
 
 #include <queue>
 #include <set>
 #include <string>
@@ skipping 117 matching lines @@
       DownloadItemImpl* item);
 
   // Callback for WebContents::GenerateMHTML().
   void OnMHTMLGenerated(int64 size);
 
   // For testing only.
   SavePackage(WebContents* web_contents,
               const base::FilePath& file_full_path,
               const base::FilePath& directory_full_path);
 
-  virtual ~SavePackage();
+  ~SavePackage() override;
 
   // Notes from Init() above applies here as well.
   void InternalInit();
 
   void Stop();
   void CheckFinish();
   void SaveNextFile(bool process_all_remainder_items);
   void DoSavingProcess();
 
   // WebContentsObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   // DownloadItem::Observer implementation.
-  virtual void OnDownloadDestroyed(DownloadItem* download) override;
+  void OnDownloadDestroyed(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 167 matching lines @@
   friend class SavePackageTest;
   FRIEND_TEST_ALL_PREFIXES(SavePackageTest, TestSuggestedSaveNames);
   FRIEND_TEST_ALL_PREFIXES(SavePackageTest, TestLongSafePureFilename);
 
   DISALLOW_COPY_AND_ASSIGN(SavePackage);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_SAVE_PACKAGE_H_