Standardize usage of virtual/override/final in chrome/

chrome/test/chromedriver/chrome/chrome_impl.h

 // Copyright (c) 2012 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 CHROME_TEST_CHROMEDRIVER_CHROME_CHROME_IMPL_H_
 #define CHROME_TEST_CHROMEDRIVER_CHROME_CHROME_IMPL_H_
 
 #include <list>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "chrome/test/chromedriver/chrome/chrome.h"
 
 class AutomationExtension;
 struct BrowserInfo;
 class DevToolsClient;
 class DevToolsEventListener;
 class DevToolsHttpClient;
 class JavaScriptDialogManager;
 class PortReservation;
 class Status;
 class WebView;
 class WebViewImpl;
 
 class ChromeImpl : public Chrome {
  public:
-  virtual ~ChromeImpl();
+  ~ChromeImpl() override;
 
   // Overridden from Chrome:
-  virtual ChromeDesktopImpl* GetAsDesktop() override;
-  virtual const BrowserInfo* GetBrowserInfo() override;
-  virtual bool HasCrashedWebView() override;
-  virtual Status GetWebViewIds(std::list<std::string>* web_view_ids) override;
-  virtual Status GetWebViewById(const std::string& id,
-                                WebView** web_view) override;
-  virtual Status CloseWebView(const std::string& id) override;
-  virtual Status ActivateWebView(const std::string& id) override;
-  virtual bool IsMobileEmulationEnabled() const override;
-  virtual Status Quit() override;
+  ChromeDesktopImpl* GetAsDesktop() override;
+  const BrowserInfo* GetBrowserInfo() override;
+  bool HasCrashedWebView() override;
+  Status GetWebViewIds(std::list<std::string>* web_view_ids) override;
+  Status GetWebViewById(const std::string& id, WebView** web_view) override;
+  Status CloseWebView(const std::string& id) override;
+  Status ActivateWebView(const std::string& id) override;
+  bool IsMobileEmulationEnabled() const override;
+  Status Quit() override;
 
  protected:
   ChromeImpl(
       scoped_ptr<DevToolsHttpClient> http_client,
       scoped_ptr<DevToolsClient> websocket_client,
       ScopedVector<DevToolsEventListener>& devtools_event_listeners,
       scoped_ptr<PortReservation> port_reservation);
 
   virtual Status QuitImpl() = 0;
 
   bool quit_;
   scoped_ptr<DevToolsHttpClient> devtools_http_client_;
   scoped_ptr<DevToolsClient> devtools_websocket_client_;
 
  private:
   typedef std::list<linked_ptr<WebViewImpl> > WebViewList;
 
   // Web views in this list are in the same order as they are opened.
   WebViewList web_views_;
   ScopedVector<DevToolsEventListener> devtools_event_listeners_;
   scoped_ptr<PortReservation> port_reservation_;
 };
 
 #endif  // CHROME_TEST_CHROMEDRIVER_CHROME_CHROME_IMPL_H_