Coverity: Initialize member variables.

net/base/origin_bound_cert_store.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/base/origin_bound_cert_store.h"
 
 namespace net {
 
-OriginBoundCertStore::OriginBoundCert::OriginBoundCert() {}
+OriginBoundCertStore::OriginBoundCert::OriginBoundCert()
+    : type_(CLIENT_CERT_INVALID_TYPE) {
+}
 
 OriginBoundCertStore::OriginBoundCert::OriginBoundCert(
     const std::string& origin,
     SSLClientCertType type,
     const std::string& private_key,
     const std::string& cert)
     : origin_(origin),
       type_(type),
       private_key_(private_key),
       cert_(cert) {}
 
 OriginBoundCertStore::OriginBoundCert::~OriginBoundCert() {}
 
 }  // namespace net