Revert 113120 - this CL broke then chromeos clang bot:

chrome/browser/chromeos/cros/native_network_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_CROS_NATIVE_NETWORK_PARSER_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_NATIVE_NETWORK_PARSER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 130 matching lines @@
 
 class NativeVirtualNetworkParser : public NativeNetworkParser {
  public:
   NativeVirtualNetworkParser();
   virtual ~NativeVirtualNetworkParser();
   virtual bool ParseValue(PropertyIndex index,
                           const base::Value& value,
                           Network* network) OVERRIDE;
   virtual bool UpdateNetworkFromInfo(const base::DictionaryValue& info,
                                      Network* network) OVERRIDE;
-  static const EnumMapper<ProviderType>* provider_type_mapper();
  protected:
   bool ParseProviderValue(PropertyIndex index,
                           const base::Value& value,
                           VirtualNetwork* network);
   ProviderType ParseProviderType(const std::string& type);
  private:
   DISALLOW_COPY_AND_ASSIGN(NativeVirtualNetworkParser);
 };
 
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_NATIVE_NETWORK_PARSER_H_