Standardize usage of virtual/override/final in content/

content/shell/browser/shell_login_dialog.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 CONTENT_SHELL_BROWSER_SHELL_LOGIN_DIALOG_H_
 #define CONTENT_SHELL_BROWSER_SHELL_LOGIN_DIALOG_H_
 
 #include "base/compiler_specific.h"
 #include "base/strings/string16.h"
 #include "content/public/browser/resource_dispatcher_host_login_delegate.h"
@@ skipping 15 matching lines @@
 
 // This class provides a dialog box to ask the user for credentials. Useful in
 // ResourceDispatcherHostDelegate::CreateLoginDelegate.
 class ShellLoginDialog : public ResourceDispatcherHostLoginDelegate {
  public:
   // Threading: IO thread.
   ShellLoginDialog(net::AuthChallengeInfo* auth_info, net::URLRequest* request);
 
   // ResourceDispatcherHostLoginDelegate implementation:
   // Threading: IO thread.
-  virtual void OnRequestCancelled() override;
+  void OnRequestCancelled() override;
 
   // Called by the platform specific code when the user responds. Public because
   // the aforementioned platform specific code may not have access to private
   // members. Not to be called from client code.
   // Threading: UI thread.
   void UserAcceptedAuth(const base::string16& username,
                         const base::string16& password);
   void UserCancelledAuth();
 
  protected:
   // Threading: any
-  virtual ~ShellLoginDialog();
+  ~ShellLoginDialog() override;
 
  private:
   // All the methods that begin with Platform need to be implemented by the
   // platform specific LoginDialog implementation.
   // Creates the dialog.
   // Threading: UI thread.
   void PlatformCreateDialog(const base::string16& message);
   // Called from the destructor to let each platform do any necessary cleanup.
   // Threading: UI thread.
   void PlatformCleanUp();
@@ skipping 21 matching lines @@
 
 #if defined(OS_MACOSX)
   // Threading: UI thread.
   ShellLoginDialogHelper* helper_;  // owned
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_SHELL_LOGIN_DIALOG_H_