net: Add NET_API for some linux-only files

net/ocsp/nss_ocsp.h

 // 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.
 
 #ifndef NET_OCSP_NSS_OCSP_H_
 #define NET_OCSP_NSS_OCSP_H_
 #pragma once
 
+#include "net/base/net_api.h"
+
 namespace net {
 
 class URLRequestContext;
 
 // Sets the MessageLoop for OCSP to the current message loop.
 // This should be called before EnsureOCSPInit() if you want to
 // control the message loop for OCSP.
-void SetMessageLoopForOCSP();
+NET_API void SetMessageLoopForOCSP();
 
 // Initializes OCSP handlers for NSS.  This must be called before any
 // certificate verification functions.  This function is thread-safe, and OCSP
 // handlers will only ever be initialized once.  ShutdownOCSP() must be called
 // on shutdown.
-void EnsureOCSPInit();
+NET_API void EnsureOCSPInit();
 
 // This should be called once on shutdown to stop issuing URLRequests for OCSP.
-void ShutdownOCSP();
+NET_API void ShutdownOCSP();
 
 // Set URLRequestContext for OCSP handlers.
-void SetURLRequestContextForOCSP(URLRequestContext* request_context);
+NET_API void SetURLRequestContextForOCSP(URLRequestContext* request_context);
 
 }  // namespace net
 
 #endif  // NET_OCSP_NSS_OCSP_H_