Replace OVERRIDE and FINAL with override and final in content/shell/[a-s]*

content/shell/browser/shell_url_request_context_getter.h

Index: content/shell/browser/shell_url_request_context_getter.h
diff --git a/content/shell/browser/shell_url_request_context_getter.h b/content/shell/browser/shell_url_request_context_getter.h
index fefe1f71a5c4e2fc423e249c95d021b3bc704f2b..810e602dfea77e6350da0efc612158760ca5df2a 100644
--- a/content/shell/browser/shell_url_request_context_getter.h
+++ b/content/shell/browser/shell_url_request_context_getter.h
@@ -40,9 +40,9 @@ class ShellURLRequestContextGetter : public net::URLRequestContextGetter {
       net::NetLog* net_log);
 
   // net::URLRequestContextGetter implementation.
-  virtual net::URLRequestContext* GetURLRequestContext() OVERRIDE;
+  virtual net::URLRequestContext* GetURLRequestContext() override;
   virtual scoped_refptr<base::SingleThreadTaskRunner>
-      GetNetworkTaskRunner() const OVERRIDE;
+      GetNetworkTaskRunner() const override;
 
   net::HostResolver* host_resolver();