Standardize usage of virtual/override/final in content/

content/shell/renderer/layout_test/layout_test_render_process_observer.h

 // Copyright (c) 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_LAYOUT_TEST_RENDER_PROCESS_OBSERVER_H_
 #define CONTENT_SHELL_LAYOUT_TEST_RENDER_PROCESS_OBSERVER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ skipping 10 matching lines @@
 class RenderView;
 class WebKitTestRunner;
 class WebTestDelegate;
 class WebTestInterfaces;
 
 class LayoutTestRenderProcessObserver : public RenderProcessObserver {
  public:
   static LayoutTestRenderProcessObserver* GetInstance();
 
   LayoutTestRenderProcessObserver();
-  virtual ~LayoutTestRenderProcessObserver();
+  ~LayoutTestRenderProcessObserver() override;
 
   void SetTestDelegate(WebTestDelegate* delegate);
   void SetMainWindow(RenderView* view);
 
   // RenderProcessObserver implementation.
-  virtual void WebKitInitialized() override;
-  virtual void OnRenderProcessShutdown() override;
-  virtual bool OnControlMessageReceived(const IPC::Message& message) override;
+  void WebKitInitialized() override;
+  void OnRenderProcessShutdown() override;
+  bool OnControlMessageReceived(const IPC::Message& message) override;
 
   WebTestDelegate* test_delegate() const {
     return test_delegate_;
   }
   WebTestInterfaces* test_interfaces() const {
     return test_interfaces_.get();
   }
   WebKitTestRunner* main_test_runner() const { return main_test_runner_; }
   const base::FilePath& webkit_source_dir() const { return webkit_source_dir_; }
 
  private:
   // Message handlers.
   void OnSetWebKitSourceDir(const base::FilePath& webkit_source_dir);
 
   WebKitTestRunner* main_test_runner_;
   WebTestDelegate* test_delegate_;
   scoped_ptr<WebTestInterfaces> test_interfaces_;
 
   base::FilePath webkit_source_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(LayoutTestRenderProcessObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_LAYOUT_TEST_RENDER_PROCESS_OBSERVER_H_