Example of usage of new features of context and screen.

chrome/browser/chromeos/login/screens/controller_pairing_screen_actor.cc

+// Copyright 2014 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/screens/controller_pairing_screen_actor.h"
+
+namespace chromeos {
+
+namespace controller_pairing {
+
+const char kContextKeyPage[] = "page";
+const char kContextKeyControlsDisabled[] = "controlsDisabled";
+const char kContextKeyDevices[] = "devices";
+const char kContextKeyConfirmationCode[] = "code";
+const char kContextKeySelectedDevice[] = "selectedDevice";
+const char kContextKeyAccountId[] = "accountId";
+
+const char kPageDevicesDiscovery[] = "devices-discovery";
+const char kPageDeviceSelect[] = "device-select";
+const char kPageDeviceNotFound[] = "device-not-found";
+const char kPageEstablishingConnection[] = "establishing-connection";
+const char kPageEstablishingConnectionError[] = "establishing-connection-error";
+const char kPageCodeConfirmation[] = "code-confirmation";
+const char kPageHostUpdate[] = "host-update";
+const char kPageHostConnectionLost[] = "host-connection-lost";
+const char kPageEnrlollmentIntroduction[] = "enrollment-introduction";
+const char kPageAuthentication[] = "authentication";
+const char kPageHostEnrollment[] = "host-enrollment";
+const char kPageHostEnrollmentError[] = "host-enrollment-error";
+const char kPagePairingDone[] = "pairing-done";
+
+const char kActionChooseDevice[] = "chooseDevice";
+const char kActionRepeatDiscovery[] = "repeatDiscovery";
+const char kActionAcceptCode[] = "acceptCode";
+const char kActionRejectCode[] = "rejectCode";
+const char kActionProceedToAuthentication[] = "proceedToAuthentication";
+const char kActionEnroll[] = "enroll";
+const char kActionStartSession[] = "startSession";
+
+}  // namespace controller_pairing
+ControllerPairingScreenActor::ControllerPairingScreenActor() {
+}
+
+ControllerPairingScreenActor::~ControllerPairingScreenActor() {
+}
+
+}  // namespace chromeos