Revert of Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/chromeos/proxy_cros_settings_parser.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 CHROME_BROWSER_CHROMEOS_PROXY_CROS_SETTINGS_PARSER_H_
 #define CHROME_BROWSER_CHROMEOS_PROXY_CROS_SETTINGS_PARSER_H_
 
 #include <stddef.h>
 
-#include <memory>
 #include <string>
 
 namespace base {
 class Value;
 }
 
 namespace chromeos {
 
 class UIProxyConfigService;
 
@@ skipping 28 matching lines @@
 // Sets a value in the current proxy configuration on the specified profile.
 void SetProxyPrefValue(const std::string& network_guid,
                        const std::string& path,
                        const base::Value* in_value,
                        UIProxyConfigService* config_service);
 
 // Gets a value from the current proxy configuration on the specified profile.
 bool GetProxyPrefValue(const std::string& network_guid,
                        const std::string& path,
                        UIProxyConfigService* config_service,
-                       std::unique_ptr<base::Value>* out_value);
+                       base::Value** out_value);
 
 }  // namespace proxy_cros_settings_parser
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PROXY_CROS_SETTINGS_PARSER_H_