Revert of Remove client_certs from SSLCertRequestInfo.

net/ssl/client_cert_store.h

Index: net/ssl/client_cert_store.h
diff --git a/net/ssl/client_cert_store.h b/net/ssl/client_cert_store.h
index b73d871e2de4f37b6b534d2e3347e10d63d11862..f87c22ee47fc07626c4502d67b9b80cf778deea1 100644
--- a/net/ssl/client_cert_store.h
+++ b/net/ssl/client_cert_store.h
@@ -22,16 +22,14 @@
  public:
   virtual ~ClientCertStore() {}
 
-  using ClientCertListCallback = base::Callback<void(CertificateList)>;
-
   // Get client certs matching the |cert_request_info|. On completion, the
   // results will be stored in |selected_certs| and the |callback| will be run.
   // The |callback| may be called sychronously. The caller must ensure the
-  // ClientCertStore and |cert_request_info| remain alive until the callback
-  // has been run.
+  // ClientCertStore, |cert_request_info|, and |selected_certs| remain alive
+  // until the callback has been run.
   virtual void GetClientCerts(const SSLCertRequestInfo& cert_request_info,
-                              const ClientCertListCallback& callback) = 0;
-
+                              CertificateList* selected_certs,
+                              const base::Closure& callback) = 0;
  protected:
   ClientCertStore() {}