Add an ONC property for proactive key caching.

components/onc/onc_constants.h

 // Copyright 2013 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.
 #ifndef COMPONENTS_ONC_ONC_CONSTANTS_H_
 #define COMPONENTS_ONC_ONC_CONSTANTS_H_
 
 #include <string>
 
 #include "components/onc/onc_export.h"
 
@@ skipping 292 matching lines @@
 ONC_EXPORT extern const char kMSCHAPv2[];
 ONC_EXPORT extern const char kOuter[];
 ONC_EXPORT extern const char kPAP[];
 ONC_EXPORT extern const char kPEAP[];
 ONC_EXPORT extern const char kPassword[];
 ONC_EXPORT extern const char kSaveCredentials[];
 ONC_EXPORT extern const char kServerCAPEMs[];
 ONC_EXPORT extern const char kServerCARef[];
 ONC_EXPORT extern const char kServerCARefs[];
 ONC_EXPORT extern const char kUseSystemCAs[];
+ONC_EXPORT extern const char kUseProactiveKeyCaching[];
 }  // namespace eap
 
 namespace vpn {
 ONC_EXPORT extern const char kAutoConnect[];
 ONC_EXPORT extern const char kHost[];
 ONC_EXPORT extern const char kIPsec[];
 ONC_EXPORT extern const char kL2TP[];
 ONC_EXPORT extern const char kOpenVPN[];
 ONC_EXPORT extern const char kPassword[];
 ONC_EXPORT extern const char kSaveCredentials[];
@@ skipping 111 matching lines @@
 namespace device_state {
 ONC_EXPORT extern const char kUninitialized[];
 ONC_EXPORT extern const char kDisabled[];
 ONC_EXPORT extern const char kEnabling[];
 ONC_EXPORT extern const char kEnabled[];
 }  // device_state
 
 }  // namespace onc
 
 #endif  // COMPONENTS_ONC_ONC_CONSTANTS_H_