Update to Chromium revision ff259bab (#488528)

libcef/browser/x509_certificate_impl.cc

@@ -3,9 +3,12 @@
 // can be found in the LICENSE file.
 
 #include "libcef/browser/x509_certificate_impl.h"
+
 #include "libcef/browser/x509_cert_principal_impl.h"
 #include "libcef/common/time_util.h"
 
+#include "net/ssl/ssl_private_key.h"
+
 namespace {
 
 CefRefPtr<CefBinaryValue> EncodeCertificate(
@@ -24,6 +27,10 @@ CefRefPtr<CefBinaryValue> EncodeCertificate(
 
 }  // namespace
 
+CefX509CertificateImpl::CefX509CertificateImpl(
+    std::unique_ptr<net::ClientCertIdentity> identity)
+    : identity_(std::move(identity)), cert_(identity_->certificate()) {}
+
 CefX509CertificateImpl::CefX509CertificateImpl(
     scoped_refptr<net::X509Certificate> cert)
     : cert_(cert) {}
@@ -92,6 +99,15 @@ size_t CefX509CertificateImpl::GetIssuerChainSize() {
   return 0;
 }
 
+void CefX509CertificateImpl::AcquirePrivateKey(
+    const base::Callback<void(scoped_refptr<net::SSLPrivateKey>)>&
+        private_key_callback) {
+  if (identity_)
+    identity_->AcquirePrivateKey(private_key_callback);
+  else
+    private_key_callback.Run(nullptr);
+}
+
 void CefX509CertificateImpl::GetEncodedIssuerChain(
     CefX509Certificate::IssuerChainBinaryList& chain,
     bool der) {