Refactor client cert private key handling.

net/ssl/ssl_platform_key_win.cc

Index: net/ssl/ssl_platform_key_win.cc
diff --git a/net/ssl/ssl_platform_key_win.cc b/net/ssl/ssl_platform_key_win.cc
index f54ab98f6dc2895f2ee9a3ac4652fd190d733ca8..44ec97c8609d0eacf013d75537f6daac2bd1e393 100644
--- a/net/ssl/ssl_platform_key_win.cc
+++ b/net/ssl/ssl_platform_key_win.cc
@@ -16,7 +16,6 @@
 #include "crypto/scoped_capi_types.h"
 #include "net/base/net_errors.h"
 #include "net/cert/x509_certificate.h"
-#include "net/ssl/ssl_platform_key.h"
 #include "net/ssl/ssl_platform_key_util.h"
 #include "net/ssl/ssl_private_key.h"
 #include "net/ssl/threaded_ssl_private_key.h"
@@ -261,9 +260,8 @@ scoped_refptr<SSLPrivateKey> WrapCNGPrivateKey(
 }
 
 scoped_refptr<SSLPrivateKey> FetchClientCertPrivateKey(
-    const X509Certificate* certificate) {
-  PCCERT_CONTEXT cert_context = certificate->os_cert_handle();
-
+    const X509Certificate* certificate,
+    PCCERT_CONTEXT cert_context) {
   HCRYPTPROV_OR_NCRYPT_KEY_HANDLE prov_or_key = 0;
   DWORD key_spec = 0;
   BOOL must_free = FALSE;