Update from chromium https://crrev.com/301725/

net/cert/signed_certificate_timestamp_unittest.cc

Index: net/cert/signed_certificate_timestamp_unittest.cc
diff --git a/net/cert/signed_certificate_timestamp_unittest.cc b/net/cert/signed_certificate_timestamp_unittest.cc
index dc60a27142c4a7db9b34c6cfa0dfa29d35c92076..393725d04390b1d086ef1ba1dd3753da53597032 100644
--- a/net/cert/signed_certificate_timestamp_unittest.cc
+++ b/net/cert/signed_certificate_timestamp_unittest.cc
@@ -20,7 +20,7 @@ const char kLogDescription[] = "somelog";
 
 class SignedCertificateTimestampTest : public ::testing::Test {
  public:
-  virtual void SetUp() override {
+  void SetUp() override {
     GetX509CertSCT(&sample_sct_);
     sample_sct_->origin = SignedCertificateTimestamp::SCT_FROM_OCSP_RESPONSE;
     sample_sct_->log_description = kLogDescription;