Pass JavaRef to Java methods in net.

net/android/keystore_openssl.h

Index: net/android/keystore_openssl.h
diff --git a/net/android/keystore_openssl.h b/net/android/keystore_openssl.h
index 72f3994c1f0e4d76a321e09ce8cc65812456472e..e2d21bc43c74ff5305dd10ac5f8d5c3e0f2f2f50 100644
--- a/net/android/keystore_openssl.h
+++ b/net/android/keystore_openssl.h
@@ -8,6 +8,7 @@
 #include <jni.h>
 #include <openssl/evp.h>
 
+#include "base/android/scoped_java_ref.h"
 #include "crypto/scoped_openssl_types.h"
 #include "net/base/net_export.h"
 
@@ -41,7 +42,7 @@ namespace android {
 //   during the OpenSSL handshake. Anything else will result in undefined
 //   behaviour.
 NET_EXPORT crypto::ScopedEVP_PKEY GetOpenSSLPrivateKeyWrapper(
-    jobject private_key);
+    const base::android::JavaRef<jobject>& private_key);
 
 }  // namespace android
 }  // namespace net