Standardize usage of virtual/override/final in chrome/browser/download/

chrome/browser/download/download_target_determiner.h

 // Copyright 2013 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_TARGET_DETERMINER_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TARGET_DETERMINER_H_
 
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 121 matching lines @@
   };
 
   // Construct a DownloadTargetDeterminer object. Constraints on the arguments
   // are as per Start() above.
   DownloadTargetDeterminer(content::DownloadItem* download,
                            const base::FilePath& initial_virtual_path,
                            DownloadPrefs* download_prefs,
                            DownloadTargetDeterminerDelegate* delegate,
                            const CompletionCallback& callback);
 
-  virtual ~DownloadTargetDeterminer();
+  ~DownloadTargetDeterminer() override;
 
   // Invoke each successive handler until a handler returns QUIT_DOLOOP or
   // COMPLETE. Note that as a result, this object might be deleted. So |this|
   // should not be accessed after calling DoLoop().
   void DoLoop();
 
   // === Main workflow ===
 
   // Generates an initial target path. This target is based only on the state of
   // the download item.
@@ skipping 135 matching lines @@
   // operation.
   bool HasPromptedForPath() const;
 
   // Returns true if this download should show the "dangerous file" warning.
   // Various factors are considered, such as the type of the file, whether a
   // user action initiated the download, and whether the user has explicitly
   // marked the file type as "auto open". Protected virtual for testing.
   bool IsDangerousFile(PriorVisitsToReferrer visits);
 
   // content::DownloadItem::Observer
-  virtual void OnDownloadDestroyed(content::DownloadItem* download) override;
+  void OnDownloadDestroyed(content::DownloadItem* download) override;
 
   // state
   State next_state_;
   bool should_prompt_;
   bool should_notify_extensions_;
   bool create_target_directory_;
   DownloadPathReservationTracker::FilenameConflictAction conflict_action_;
   content::DownloadDangerType danger_type_;
   bool is_dangerous_file_;  // See DownloadTargetInfo::is_dangerous_file
   base::FilePath virtual_path_;
   base::FilePath local_path_;
   base::FilePath intermediate_path_;
   std::string mime_type_;
   bool is_filetype_handled_safely_;
 
   content::DownloadItem* download_;
   const bool is_resumption_;
   DownloadPrefs* download_prefs_;
   DownloadTargetDeterminerDelegate* delegate_;
   CompletionCallback completion_callback_;
   base::CancelableTaskTracker history_tracker_;
 
   base::WeakPtrFactory<DownloadTargetDeterminer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadTargetDeterminer);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TARGET_DETERMINER_H_