Adding mojo calls for easy unlock service

chrome/browser/chromeos/login/user_selection_screen_proxy.cc

+// Copyright 2017 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 "chrome/browser/chromeos/login/user_selection_screen_proxy.h"
+
+#include "chrome/browser/ui/ash/lock_screen_client.h"
+
+namespace chromeos {
+
+UserSelectionScreenProxy::UserSelectionScreenProxy() = default;
+
+UserSelectionScreenProxy::~UserSelectionScreenProxy() = default;
+
+void UserSelectionScreenProxy::ShowUserPodCustomIcon(
+    const AccountId& account_id,
+    const proximity_auth::ScreenlockBridge::UserPodCustomIconOptions&
+        icon_options) {
+  ash::mojom::UserPodCustomIconOptionsPtr icon =
+      icon_options.ToUserPodCustomIconOptionsPtr();
+  if (!icon)
+    return;
+  LockScreenClient::Get()->ShowUserPodCustomIcon(account_id, std::move(icon));

[xiyuan, 2017/06/05 17:30:40]

nit: #include <utility>

[xiaoyinh(OOO Sep 11-29), 2017/06/06 16:36:05]

Done.

+}
+
+void UserSelectionScreenProxy::HideUserPodCustomIcon(
+    const AccountId& account_id) {
+  LockScreenClient::Get()->HideUserPodCustomIcon(account_id);
+}
+
+void UserSelectionScreenProxy::SetAuthType(
+    const AccountId& account_id,
+    proximity_auth::ScreenlockBridge::LockHandler::AuthType auth_type,
+    const base::string16& initial_value) {
+  LockScreenClient::Get()->SetAuthType(
+      account_id, static_cast<ash::mojom::AuthType>(auth_type), initial_value);
+}
+
+base::WeakPtr<chromeos::UserBoardView> UserSelectionScreenProxy::GetWeakPtr() {
+  return base::WeakPtr<chromeos::UserBoardView>();
+}
+
+}  // namespace chromeos