mash: Convert system tray network item to wm common types

ash/system/chromeos/network/vpn_delegate.cc

-// 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.
-
-#include "ash/system/chromeos/network/vpn_delegate.h"
-
-#include "chromeos/network/network_state.h"
-#include "third_party/cros_system_api/dbus/service_constants.h"
-
-namespace ash {
-
-VPNProvider::Key::Key() : third_party(false) {}
-
-VPNProvider::Key::Key(const std::string& extension_id)
-    : third_party(true), extension_id(extension_id) {}
-
-bool VPNProvider::Key::operator==(const Key& other) const {
-  return other.third_party == third_party && other.extension_id == extension_id;
-}
-
-bool VPNProvider::Key::MatchesNetwork(
-    const chromeos::NetworkState& network) const {
-  if (network.type() != shill::kTypeVPN)
-    return false;
-  const bool network_uses_third_party_provider =
-      network.vpn_provider_type() == shill::kProviderThirdPartyVpn;
-  if (!third_party)
-    return !network_uses_third_party_provider;
-  return network_uses_third_party_provider &&
-         network.third_party_vpn_provider_extension_id() == extension_id;
-}
-
-VPNProvider::VPNProvider(const Key& key, const std::string& name)
-    : key(key), name(name) {}
-
-VPNDelegate::Observer::~Observer() {}
-
-VPNDelegate::VPNDelegate() {}
-
-VPNDelegate::~VPNDelegate() {}
-
-void VPNDelegate::AddObserver(Observer* observer) {
-  observer_list_.AddObserver(observer);
-}
-
-void VPNDelegate::RemoveObserver(Observer* observer) {
-  observer_list_.RemoveObserver(observer);
-}
-
-void VPNDelegate::NotifyObservers() {
-  FOR_EACH_OBSERVER(Observer, observer_list_, OnVPNProvidersChanged());
-}
-
-}  // namespace ash