Standardize usage of virtual/override/final in content/

content/shell/browser/layout_test/layout_test_javascript_dialog_manager.h

 // Copyright 2014 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_LAYOUT_TEST_LAYOUT_TEST_JAVASCRIPT_DIALOG_MANAGER_H_
 #define CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_JAVASCRIPT_DIALOG_MANAGER_H_
 
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/shell/browser/shell_javascript_dialog_manager.h"
 
 namespace content {
 
 class LayoutTestJavaScriptDialogManager : public ShellJavaScriptDialogManager {
  public:
   LayoutTestJavaScriptDialogManager();
-  virtual ~LayoutTestJavaScriptDialogManager();
+  ~LayoutTestJavaScriptDialogManager() override;
 
   // JavaScriptDialogManager:
-  virtual void RunJavaScriptDialog(
-      WebContents* web_contents,
-      const GURL& origin_url,
-      const std::string& accept_lang,
-      JavaScriptMessageType javascript_message_type,
-      const base::string16& message_text,
-      const base::string16& default_prompt_text,
-      const DialogClosedCallback& callback,
-      bool* did_suppress_message) override;
+  void RunJavaScriptDialog(WebContents* web_contents,
+                           const GURL& origin_url,
+                           const std::string& accept_lang,
+                           JavaScriptMessageType javascript_message_type,
+                           const base::string16& message_text,
+                           const base::string16& default_prompt_text,
+                           const DialogClosedCallback& callback,
+                           bool* did_suppress_message) override;
 
-  virtual void RunBeforeUnloadDialog(
-      WebContents* web_contents,
-      const base::string16& message_text,
-      bool is_reload,
-      const DialogClosedCallback& callback) override;
+  void RunBeforeUnloadDialog(WebContents* web_contents,
+                             const base::string16& message_text,
+                             bool is_reload,
+                             const DialogClosedCallback& callback) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayoutTestJavaScriptDialogManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_JAVASCRIPT_DIALOG_MANAGER_H_