ScreenContext is moved to components/login.

chrome/browser/chromeos/login/screens/controller_pairing_screen.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.h"
 
 #include "base/command_line.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "google_apis/gaia/gaia_auth_util.h"
@@ skipping 57 matching lines @@
   return WizardController::kControllerPairingScreenName;
 }
 
 void ControllerPairingScreen::PairingStageChanged(Stage new_stage) {
   DCHECK(new_stage != current_stage_);
 
   std::string desired_page;
   switch (new_stage) {
     case ControllerPairingController::STAGE_DEVICES_DISCOVERY: {
       desired_page = kPageDevicesDiscovery;
-      context_.SetStringList(kContextKeyDevices, StringList());
+      context_.SetStringList(kContextKeyDevices, ::login::StringList());
       context_.SetString(kContextKeySelectedDevice, std::string());
       device_preselected_ = false;
       break;
     }
     case ControllerPairingController::STAGE_DEVICE_NOT_FOUND: {
       desired_page = kPageDeviceNotFound;
       break;
     }
     case ControllerPairingController::STAGE_ESTABLISHING_CONNECTION: {
       desired_page = kPageEstablishingConnection;
@@ skipping 119 matching lines @@
        ++key) {
     if (*key == kContextKeySelectedDevice) {
       context_.SetBoolean(kContextKeyControlsDisabled,
                           context_.GetString(*key).empty());
       CommitContextChanges();
     }
   }
 }
 
 }  // namespace chromeos