Revert of Remove client_certs from SSLCertRequestInfo.

chrome/browser/chromeos/net/client_cert_store_chromeos.h

Index: chrome/browser/chromeos/net/client_cert_store_chromeos.h
diff --git a/chrome/browser/chromeos/net/client_cert_store_chromeos.h b/chrome/browser/chromeos/net/client_cert_store_chromeos.h
index ae3f2fc0104175e719a2d9366e8750581c41b64f..9f88227a5a23c4bbe2c5a8e248d5569d9969db3a 100644
--- a/chrome/browser/chromeos/net/client_cert_store_chromeos.h
+++ b/chrome/browser/chromeos/net/client_cert_store_chromeos.h
@@ -51,18 +51,21 @@
 
   // net::ClientCertStore:
   void GetClientCerts(const net::SSLCertRequestInfo& cert_request_info,
-                      const ClientCertListCallback& callback) override;
+                      net::CertificateList* selected_certs,
+                      const base::Closure& callback) override;
 
  private:
   void GotAdditionalCerts(const net::SSLCertRequestInfo* request,
-                          const ClientCertListCallback& callback,
+                          net::CertificateList* selected_certs,
+                          const base::Closure& callback,
                           const net::CertificateList& additional_certs);
 
-  net::CertificateList GetAndFilterCertsOnWorkerThread(
+  void GetAndFilterCertsOnWorkerThread(
       std::unique_ptr<crypto::CryptoModuleBlockingPasswordDelegate>
           password_delegate,
       const net::SSLCertRequestInfo* request,
-      const net::CertificateList& additional_certs);
+      const net::CertificateList& additional_certs,
+      net::CertificateList* selected_certs);
 
   std::unique_ptr<CertificateProvider> cert_provider_;
   std::unique_ptr<CertFilter> cert_filter_;