Add RetainedRef uses where needed.

content/browser/ssl/ssl_client_auth_handler.cc

Index: content/browser/ssl/ssl_client_auth_handler.cc
diff --git a/content/browser/ssl/ssl_client_auth_handler.cc b/content/browser/ssl/ssl_client_auth_handler.cc
index d0bc275d5cb04ef38bad8136c48e63d5410faad9..9f5efaeee36f07348267f7d443e4552ffd0f15c5 100644
--- a/content/browser/ssl/ssl_client_auth_handler.cc
+++ b/content/browser/ssl/ssl_client_auth_handler.cc
@@ -45,7 +45,7 @@ class ClientCertificateDelegateImpl : public ClientCertificateDelegate {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&SSLClientAuthHandler::ContinueWithCertificate, handler_,
-                   make_scoped_refptr(cert)));
+                   base::RetainedRef(cert)));
   }
 
  private:
@@ -178,8 +178,7 @@ void SSLClientAuthHandler::DidGetClientCerts() {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&SSLClientAuthHandler::ContinueWithCertificate,
-                   weak_factory_.GetWeakPtr(),
-                   scoped_refptr<net::X509Certificate>()));
+                   weak_factory_.GetWeakPtr(), nullptr));
     return;
   }
 
@@ -198,7 +197,7 @@ void SSLClientAuthHandler::DidGetClientCerts() {
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&SelectCertificateOnUIThread, render_process_host_id,
-                 render_frame_host_id, cert_request_info_,
+                 render_frame_host_id, base::RetainedRef(cert_request_info_),
                  weak_factory_.GetWeakPtr()));
 }