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

chrome/browser/ui/cocoa/pdf_password_dialog.mm

 // 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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_alert.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h"
 #import "chrome/browser/ui/cocoa/key_equivalent_constants.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/pdf/browser/pdf_web_contents_helper_client.h"
 #include "ui/base/l10n/l10n_util.h"
 
 @class PDFPasswordDialogMac;
 
 namespace {
 
 class PDFPasswordDialogMacBridge : public ConstrainedWindowMacDelegate {
  public:
   explicit PDFPasswordDialogMacBridge(PDFPasswordDialogMac* dialog);
   virtual ~PDFPasswordDialogMacBridge();
-  virtual void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override;
+  void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override;
 
  private:
   PDFPasswordDialogMac* dialog_;  // weak
 
   DISALLOW_COPY_AND_ASSIGN(PDFPasswordDialogMacBridge);
 };
 
 }  // namespace
 
 @interface PDFPasswordDialogMac : NSObject {
@@ skipping 94 matching lines @@
 
 @end
 
 void ShowPDFPasswordDialog(content::WebContents* web_contents,
                            const base::string16& prompt,
                            const pdf::PasswordDialogClosedCallback& callback) {
   [[PDFPasswordDialogMac alloc] initWithWebContents:web_contents
                                              prompt:prompt
                                            callback:callback];
 }