Move some proxy config code out of src/chrome

chromeos/network/proxy/proxy_config_handler.h

 // Copyright (c) 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 CHROME_BROWSER_CHROMEOS_NET_PROXY_CONFIG_HANDLER_H_
-#define CHROME_BROWSER_CHROMEOS_NET_PROXY_CONFIG_HANDLER_H_
+#ifndef CHROMEOS_NETWORK_PROXY_PROXY_CONFIG_HANDLER_H_
+#define CHROMEOS_NETWORK_PROXY_PROXY_CONFIG_HANDLER_H_
 
 #include <memory>
 
+#include "chromeos/chromeos_export.h"
 #include "components/onc/onc_constants.h"
 
 class PrefRegistrySimple;
 class PrefService;
 class ProxyConfigDictionary;
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace chromeos {
 
 class NetworkState;
 
 namespace proxy_config {
 
 // Get the proxy configuration including per-network policies for network
 // |network|. If |profile_prefs| is NULL, then only shared settings (and device
 // policy) are respected. This is e.g. the case for the signin screen and the
 // system request context.
-std::unique_ptr<ProxyConfigDictionary> GetProxyConfigForNetwork(
+CHROMEOS_EXPORT std::unique_ptr<ProxyConfigDictionary> GetProxyConfigForNetwork(
     const PrefService* profile_prefs,
     const PrefService* local_state_prefs,
     const NetworkState& network,
     ::onc::ONCSource* onc_source);
 
-void SetProxyConfigForNetwork(const ProxyConfigDictionary& proxy_config,
-                              const NetworkState& network);
+CHROMEOS_EXPORT void SetProxyConfigForNetwork(
+    const ProxyConfigDictionary& proxy_config,
+    const NetworkState& network);
 
 }  // namespace proxy_config
 
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_CHROMEOS_NET_PROXY_CONFIG_HANDLER_H_
+#endif  // CHROMEOS_NETWORK_PROXY_PROXY_CONFIG_HANDLER_H_