Refactor client cert private key handling.

chrome/browser/devtools/devtools_network_transaction.h

Index: chrome/browser/devtools/devtools_network_transaction.h
diff --git a/chrome/browser/devtools/devtools_network_transaction.h b/chrome/browser/devtools/devtools_network_transaction.h
index cb13c423c039e555d200025e851421208900fe7d..aa2db08719aac7a7cff47e44aaa0d44dfc00fa42 100644
--- a/chrome/browser/devtools/devtools_network_transaction.h
+++ b/chrome/browser/devtools/devtools_network_transaction.h
@@ -59,9 +59,10 @@ class DevToolsNetworkTransaction
             const net::NetLogWithSource& net_log) override;
   int RestartIgnoringLastError(
       const net::CompletionCallback& callback) override;
-  int RestartWithCertificate(net::X509Certificate* client_cert,
-                             net::SSLPrivateKey* client_private_key,
-                             const net::CompletionCallback& callback) override;
+  int RestartWithCertificate(
+      scoped_refptr<net::X509Certificate> client_cert,
+      scoped_refptr<net::SSLPrivateKey> client_private_key,
+      const net::CompletionCallback& callback) override;
   int RestartWithAuth(const net::AuthCredentials& credentials,
                       const net::CompletionCallback& callback) override;
   bool IsReadyToRestartForAuth() override;