| Index: content/browser/cert_store_impl.cc | 
| diff --git a/content/browser/cert_store_impl.cc b/content/browser/cert_store_impl.cc | 
| index cc0d880ecfcb4014b174b66b92e028f708cc257d..6b183ace9afa172d3ba0da6bc475d7856d7d9128 100644 | 
| --- a/content/browser/cert_store_impl.cc | 
| +++ b/content/browser/cert_store_impl.cc | 
| @@ -16,17 +16,37 @@ CertStoreImpl* CertStoreImpl::GetInstance() { | 
| return base::Singleton<CertStoreImpl>::get(); | 
| } | 
|  | 
| -CertStoreImpl::CertStoreImpl() {} | 
| - | 
| -CertStoreImpl::~CertStoreImpl() {} | 
| - | 
| int CertStoreImpl::StoreCert(net::X509Certificate* cert, int process_id) { | 
| -  return store_.Store(cert, process_id); | 
| +  scoped_refptr<HashAndCert> hash_and_cert(new HashAndCert); | 
| +  hash_and_cert->chain_hash = | 
| +      net::X509Certificate::CalculateChainFingerprint256( | 
| +          cert->os_cert_handle(), cert->GetIntermediateCertificates()); | 
| +  hash_and_cert->cert = cert; | 
| +  return store_.Store(hash_and_cert.get(), process_id); | 
| } | 
|  | 
| bool CertStoreImpl::RetrieveCert(int cert_id, | 
| scoped_refptr<net::X509Certificate>* cert) { | 
| -  return store_.Retrieve(cert_id, cert); | 
| +  scoped_refptr<HashAndCert> hash_and_cert; | 
| +  if (store_.Retrieve(cert_id, &hash_and_cert)) { | 
| +    *cert = hash_and_cert->cert; | 
| +    return true; | 
| +  } | 
| +  return false; | 
| +} | 
| + | 
| +CertStoreImpl::CertStoreImpl() {} | 
| + | 
| +CertStoreImpl::~CertStoreImpl() {} | 
| + | 
| +CertStoreImpl::HashAndCert::HashAndCert() = default; | 
| + | 
| +bool CertStoreImpl::HashAndCert::LessThan::operator()( | 
| +    const scoped_refptr<HashAndCert>& lhs, | 
| +    const scoped_refptr<HashAndCert>& rhs) const { | 
| +  return net::SHA256HashValueLessThan()(lhs->chain_hash, rhs->chain_hash); | 
| } | 
|  | 
| +CertStoreImpl::HashAndCert::~HashAndCert() = default; | 
| + | 
| }  // namespace content | 
|  |