cros: Replace WizardController string constants with OobeScreen values.

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

 // Copyright (c) 2016 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 "base/macros.h"
 #include "chrome/browser/chromeos/device/input_service_test_helper.h"
 #include "chrome/browser/chromeos/login/screens/base_screen.h"
 #include "chrome/browser/chromeos/login/screens/hid_detection_screen.h"
 #include "chrome/browser/chromeos/login/test/wizard_in_process_browser_test.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 
 namespace chromeos {
 
 class HIDDetectionScreenTest : public WizardInProcessBrowserTest {
  public:
   HIDDetectionScreenTest()
-      : WizardInProcessBrowserTest(WizardController::kHIDDetectionScreenName) {}
+      : WizardInProcessBrowserTest(OobeScreen::SCREEN_OOBE_HID_DETECTION) {}
 
  protected:
   void SetUpOnMainThread() override {
     helper_.reset(new InputServiceTestHelper);
     WizardInProcessBrowserTest::SetUpOnMainThread();
     ASSERT_TRUE(WizardController::default_controller());
 
     hid_detection_screen_ = static_cast<HIDDetectionScreen*>(
         WizardController::default_controller()->GetScreen(
-            WizardController::kHIDDetectionScreenName));
+            OobeScreen::SCREEN_OOBE_HID_DETECTION));
     ASSERT_TRUE(hid_detection_screen_);
     ASSERT_EQ(WizardController::default_controller()->current_screen(),
               hid_detection_screen_);
     ASSERT_TRUE(hid_detection_screen_->view_);
 
     helper_->SetProxy(&hid_detection_screen_->input_service_proxy_);
   }
 
   void TearDownOnMainThread() override {
     helper_->ClearProxy();
@@ skipping 62 matching lines @@
   helper()->AddDeviceToService(false, InputDeviceInfo::TYPE_BLUETOOTH);
   EXPECT_EQ("paired",
             context()->GetString(HIDDetectionModel::kContextKeyMouseState));
   EXPECT_EQ("paired",
             context()->GetString(HIDDetectionModel::kContextKeyKeyboardState));
   EXPECT_TRUE(context()->GetBoolean(
       HIDDetectionModel::kContextKeyContinueButtonEnabled));
 }
 
 }  // namespace chromeos