Don't key client auth on HttpNetworkSession.

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 227fc51bbb5caf7fa2e96300485300c4939916f7..94ccf123f1cf3b36c0ff69183e654a11ee6d6826 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -1769,7 +1769,6 @@ void ChromeContentBrowserClient::AllowCertificateError(
 void ChromeContentBrowserClient::SelectClientCertificate(
     int render_process_id,
     int render_frame_id,
-    const net::HttpNetworkSession* network_session,
     net::SSLCertRequestInfo* cert_request_info,
     const base::Callback<void(net::X509Certificate*)>& callback) {
   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
@@ -1822,8 +1821,7 @@ void ChromeContentBrowserClient::SelectClientCertificate(
     }
   }
 
-  chrome::ShowSSLClientCertificateSelector(tab, network_session,
-                                           cert_request_info, callback);
+  chrome::ShowSSLClientCertificateSelector(tab, cert_request_info, callback);
 }
 
 void ChromeContentBrowserClient::AddCertificate(