Standardize usage of virtual/override/final in net/

net/url_request/url_request_filter_unittest.cc

Index: net/url_request/url_request_filter_unittest.cc
diff --git a/net/url_request/url_request_filter_unittest.cc b/net/url_request/url_request_filter_unittest.cc
index bd2a782526d8a51e55c93e8500d4262449f54350..3d23b7bf1eb23a6ea476c5cb6576ec3b4f3df91c 100644
--- a/net/url_request/url_request_filter_unittest.cc
+++ b/net/url_request/url_request_filter_unittest.cc
@@ -40,10 +40,11 @@ URLRequestTestJob* job_c;
 
 class TestURLRequestInterceptor : public URLRequestInterceptor {
  public:
-  virtual ~TestURLRequestInterceptor() {}
+  ~TestURLRequestInterceptor() override {}
 
-  virtual URLRequestJob* MaybeInterceptRequest(
-      URLRequest* request, NetworkDelegate* network_delegate) const override {
+  URLRequestJob* MaybeInterceptRequest(
+      URLRequest* request,
+      NetworkDelegate* network_delegate) const override {
     job_c = new URLRequestTestJob(request, network_delegate);
     return job_c;
   }