chromeos: Move ownership of ash VPN provider list from chrome into ash

ash/common/system/chromeos/network/vpn_list_view.h

 // Copyright 2015 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 ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_VPN_LIST_VIEW_H_
 #define ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_VPN_LIST_VIEW_H_
 
 #include <map>
 #include <string>
 
@@ skipping 45 matching lines @@
   // VPNDelegate::Observer:
   void OnVPNProvidersChanged() override;
 
   // ViewClickListener:
   void OnViewClicked(views::View* sender) override;
 
  private:
   // Adds a network to the list.
   void AddNetwork(const chromeos::NetworkState* network);
 
-  // Adds the VPN provider identified by |key| to the list, along with any
-  // networks that belong to this provider.
+  // Adds the VPN provider identified by |vpn_provider| to the list, along with
+  // any networks that belong to this provider.
   void AddProviderAndNetworks(
-      const VPNProvider::Key& key,
-      const std::string& name,
+      const VPNProvider& vpn_provider,
       const chromeos::NetworkStateHandler::NetworkStateList& networks);
 
   // Adds all available VPN providers and networks to the list.
   void AddProvidersAndNetworks(
       const chromeos::NetworkStateHandler::NetworkStateList& networks);
 
   NetworkListDelegate* const delegate_;
 
-  // A mapping from each VPN provider's list entry to the provider's key.
-  std::map<const views::View* const, VPNProvider::Key> provider_view_key_map_;
+  // A mapping from each VPN provider's list entry to the provider.
+  std::map<const views::View* const, VPNProvider> provider_view_map_;
 
   // A mapping from each network's list entry to the network's service path.
   std::map<const views::View* const, std::string>
       network_view_service_path_map_;
 
   // Whether the list is currently empty (i.e., the next entry added will become
   // the topmost entry).
   bool list_empty_ = true;
 
   DISALLOW_COPY_AND_ASSIGN(VPNListView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_VPN_LIST_VIEW_H_