Standardize usage of virtual/override/final in chrome/

chrome/test/chromedriver/net/url_request_context_getter.h

Index: chrome/test/chromedriver/net/url_request_context_getter.h
diff --git a/chrome/test/chromedriver/net/url_request_context_getter.h b/chrome/test/chromedriver/net/url_request_context_getter.h
index 9495f7445033cfae52e5c61151ba7f38afc2c1c0..72adfc94c424242c70bd8a4b5a8bc343bcee8d3c 100644
--- a/chrome/test/chromedriver/net/url_request_context_getter.h
+++ b/chrome/test/chromedriver/net/url_request_context_getter.h
@@ -25,12 +25,12 @@ class URLRequestContextGetter : public net::URLRequestContextGetter {
       scoped_refptr<base::SingleThreadTaskRunner> network_task_runner);
 
   // Overridden from net::URLRequestContextGetter:
-  virtual net::URLRequestContext* GetURLRequestContext() override;
-  virtual scoped_refptr<base::SingleThreadTaskRunner>
-      GetNetworkTaskRunner() const override;
+  net::URLRequestContext* GetURLRequestContext() override;
+  scoped_refptr<base::SingleThreadTaskRunner> GetNetworkTaskRunner()
+      const override;
 
  private:
-  virtual ~URLRequestContextGetter();
+  ~URLRequestContextGetter() override;
 
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;