Reland: chromeos: Convert ash VPNDelegate interface to mojo

ash/common/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/common/system/chromeos/network/vpn_delegate.h"
-
-#include "ash/common/strings/grit/ash_strings.h"
-#include "chromeos/network/network_state.h"
-#include "third_party/cros_system_api/dbus/service_constants.h"
-#include "ui/base/l10n/l10n_util.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) {}
-
-bool VPNProvider::operator==(const VPNProvider& other) const {
-  return key == other.key && name == other.name;
-}
-
-VPNDelegate::Observer::~Observer() {}
-
-VPNDelegate::VPNDelegate() {
-  AddBuiltInProvider();
-}
-
-VPNDelegate::~VPNDelegate() {}
-
-bool VPNDelegate::HaveThirdPartyVPNProviders() const {
-  for (const VPNProvider& provider : vpn_providers_) {
-    if (provider.key.third_party)
-      return true;
-  }
-  return false;
-}
-
-void VPNDelegate::AddObserver(Observer* observer) {
-  observer_list_.AddObserver(observer);
-}
-
-void VPNDelegate::RemoveObserver(Observer* observer) {
-  observer_list_.RemoveObserver(observer);
-}
-
-void VPNDelegate::SetThirdPartyVpnProviders(
-    const std::vector<VPNProvider>& providers) {
-  // Reset the list with the extension-backed providers.
-  vpn_providers_ = providers;
-  AddBuiltInProvider();
-  NotifyObservers();
-}
-
-void VPNDelegate::NotifyObservers() {
-  for (auto& observer : observer_list_)
-    observer.OnVPNProvidersChanged();
-}
-
-void VPNDelegate::AddBuiltInProvider() {
-  // The VPNProvider::Key() constructor generates a key that identifies that
-  // built-in provider and has no extension ID.
-  vpn_providers_.push_back(VPNProvider(
-      VPNProvider::Key(),
-      l10n_util::GetStringUTF8(IDS_ASH_STATUS_TRAY_VPN_BUILT_IN_PROVIDER)));
-}
-
-}  // namespace ash