Refactor client cert private key handling.

net/test/url_request/url_request_mock_data_job.h

Index: net/test/url_request/url_request_mock_data_job.h
diff --git a/net/test/url_request/url_request_mock_data_job.h b/net/test/url_request/url_request_mock_data_job.h
index e0102b536bfff247d72dce02406267046c9b6957..9799389ee9a1335f2ac789d52ba7d2d88cc16a27 100644
--- a/net/test/url_request/url_request_mock_data_job.h
+++ b/net/test/url_request/url_request_mock_data_job.h
@@ -30,8 +30,9 @@ class URLRequestMockDataJob : public URLRequestJob {
   void Start() override;
   int ReadRawData(IOBuffer* buf, int buf_size) override;
   void GetResponseInfo(HttpResponseInfo* info) override;
-  void ContinueWithCertificate(X509Certificate* client_cert,
-                               SSLPrivateKey* client_private_key) override;
+  void ContinueWithCertificate(
+      scoped_refptr<X509Certificate> client_cert,
+      scoped_refptr<SSLPrivateKey> client_private_key) override;
 
   // Adds the testing URLs to the URLRequestFilter.
   static void AddUrlHandler();