Standardize usage of virtual/override/final in net/

net/quic/crypto/local_strike_register_client_test.cc

Index: net/quic/crypto/local_strike_register_client_test.cc
diff --git a/net/quic/crypto/local_strike_register_client_test.cc b/net/quic/crypto/local_strike_register_client_test.cc
index 70d242875888f41435bc0295ac6d6412c4537076..a2c3ce2ee9f30101ddbdb9069ee8fe159519323a 100644
--- a/net/quic/crypto/local_strike_register_client_test.cc
+++ b/net/quic/crypto/local_strike_register_client_test.cc
@@ -35,8 +35,8 @@ class RecordResultCallback : public StrikeRegisterClient::ResultCallback {
   }
 
  protected:
-  virtual void RunImpl(bool nonce_is_valid_and_unique,
-                       InsertStatus nonce_error) override {
+  void RunImpl(bool nonce_is_valid_and_unique,
+               InsertStatus nonce_error) override {
     *called_ = true;
     *saved_value_ = nonce_is_valid_and_unique;
     *saved_nonce_error_ = nonce_error;