Update from https://crrev.com/302630

net/quic/crypto/common_cert_set.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/crypto/common_cert_set.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "net/quic/quic_utils.h"
@@ skipping 62 matching lines @@
     return 1;
   }
   return 0;
 }
 
 // CommonCertSetsQUIC implements the CommonCertSets interface using the default
 // certificate sets.
 class CommonCertSetsQUIC : public CommonCertSets {
  public:
   // CommonCertSets interface.
-  virtual StringPiece GetCommonHashes() const override {
+  StringPiece GetCommonHashes() const override {
     return StringPiece(reinterpret_cast<const char*>(kSetHashes),
                        sizeof(uint64) * arraysize(kSetHashes));
   }
 
-  virtual StringPiece GetCert(uint64 hash, uint32 index) const override {
+  StringPiece GetCert(uint64 hash, uint32 index) const override {
     for (size_t i = 0; i < arraysize(kSets); i++) {
       if (kSets[i].hash == hash) {
         if (index < kSets[i].num_certs) {
           return StringPiece(
               reinterpret_cast<const char*>(kSets[i].certs[index]),
               kSets[i].lens[index]);
         }
         break;
       }
     }
 
     return StringPiece();
   }
 
-  virtual bool MatchCert(StringPiece cert,
-                         StringPiece common_set_hashes,
-                         uint64* out_hash,
-                         uint32* out_index) const override {
+  bool MatchCert(StringPiece cert,
+                 StringPiece common_set_hashes,
+                 uint64* out_hash,
+                 uint32* out_index) const override {
     if (common_set_hashes.size() % sizeof(uint64) != 0) {
       return false;
     }
 
     for (size_t i = 0; i < common_set_hashes.size() / sizeof(uint64); i++) {
       uint64 hash;
       memcpy(&hash, common_set_hashes.data() + i * sizeof(uint64),
              sizeof(uint64));
 
       for (size_t j = 0; j < arraysize(kSets); j++) {
@@ skipping 45 matching lines @@
 }  // anonymous namespace
 
 CommonCertSets::~CommonCertSets() {}
 
 // static
 const CommonCertSets* CommonCertSets::GetInstanceQUIC() {
   return CommonCertSetsQUIC::GetInstance();
 }
 
 }  // namespace net