Standardize usage of virtual/override/final in content/

content/shell/browser/layout_test/layout_test_download_manager_delegate.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_DOWNLOAD_MANAGER_DELEGATE_H_
 #define CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_DOWNLOAD_MANAGER_DELEGATE_H_
 
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/browser/download_manager_delegate.h"
 #include "content/shell/browser/shell_download_manager_delegate.h"
 
 namespace content {
 
 class DownloadItem;
 
 class LayoutTestDownloadManagerDelegate : public ShellDownloadManagerDelegate {
  public:
   LayoutTestDownloadManagerDelegate();
-  virtual ~LayoutTestDownloadManagerDelegate();
+  ~LayoutTestDownloadManagerDelegate() override;
 
   // ShellDownloadManagerDelegate implementation.
-  virtual bool ShouldOpenDownload(
-      DownloadItem* item,
-      const DownloadOpenDelayedCallback& callback) override;
+  bool ShouldOpenDownload(DownloadItem* item,
+                          const DownloadOpenDelayedCallback& callback) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayoutTestDownloadManagerDelegate);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_BROWSER_LAYOUT_TEST_LAYOUT_TEST_DOWNLOAD_MANAGER_DELEGATE_H_