Standardize usage of virtual/override/final in storage/

storage/browser/fileapi/file_writer_delegate.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 STORAGE_BROWSER_FILEAPI_FILE_WRITER_DELEGATE_H_
 #define STORAGE_BROWSER_FILEAPI_FILE_WRITER_DELEGATE_H_
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 23 matching lines @@
     ERROR_WRITE_NOT_STARTED,
   };
 
   typedef base::Callback<void(base::File::Error result,
                               int64 bytes,
                               WriteProgressStatus write_status)>
       DelegateWriteCallback;
 
   FileWriterDelegate(scoped_ptr<FileStreamWriter> file_writer,
                      FlushPolicy flush_policy);
-  virtual ~FileWriterDelegate();
+  ~FileWriterDelegate() override;
 
   void Start(scoped_ptr<net::URLRequest> request,
              const DelegateWriteCallback& write_callback);
 
   // Cancels the current write operation.  This will synchronously or
   // asynchronously call the given write callback (which may result in
   // deleting this).
   void Cancel();
 
-  virtual void OnReceivedRedirect(net::URLRequest* request,
-                                  const net::RedirectInfo& redirect_info,
-                                  bool* defer_redirect) override;
-  virtual void OnAuthRequired(net::URLRequest* request,
-                              net::AuthChallengeInfo* auth_info) override;
-  virtual void OnCertificateRequested(
+  void OnReceivedRedirect(net::URLRequest* request,
+                          const net::RedirectInfo& redirect_info,
+                          bool* defer_redirect) override;
+  void OnAuthRequired(net::URLRequest* request,
+                      net::AuthChallengeInfo* auth_info) override;
+  void OnCertificateRequested(
       net::URLRequest* request,
       net::SSLCertRequestInfo* cert_request_info) override;
-  virtual void OnSSLCertificateError(net::URLRequest* request,
-                                     const net::SSLInfo& ssl_info,
-                                     bool fatal) override;
-  virtual void OnResponseStarted(net::URLRequest* request) override;
-  virtual void OnReadCompleted(net::URLRequest* request,
-                               int bytes_read) override;
+  void OnSSLCertificateError(net::URLRequest* request,
+                             const net::SSLInfo& ssl_info,
+                             bool fatal) override;
+  void OnResponseStarted(net::URLRequest* request) override;
+  void OnReadCompleted(net::URLRequest* request, int bytes_read) override;
 
  private:
   void OnGetFileInfoAndStartRequest(
       scoped_ptr<net::URLRequest> request,
       base::File::Error error,
       const base::File::Info& file_info);
   void Read();
   void OnDataReceived(int bytes_read);
   void Write();
   void OnDataWritten(int write_response);
@@ skipping 23 matching lines @@
   scoped_ptr<net::URLRequest> request_;
 
   base::WeakPtrFactory<FileWriterDelegate> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FileWriterDelegate);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_FILEAPI_FILE_WRITER_DELEGATE_H_