cros: Refactor of BaseScreen::GetName to BaseScreen::screen_id.

chrome/browser/chromeos/login/screens/hid_detection_model.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/hid_detection_model.h"
 
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 
 namespace chromeos {
 
 const char HIDDetectionModel::kContextKeyKeyboardState[] = "keyboard-state";
 const char HIDDetectionModel::kContextKeyMouseState[] = "mouse-state";
 const char HIDDetectionModel::kContextKeyPinCode[] = "keyboard-pincode";
 const char HIDDetectionModel::kContextKeyNumKeysEnteredExpected[] =
     "num-keys-entered-expected";
 const char HIDDetectionModel::kContextKeyNumKeysEnteredPinCode[] =
     "num-keys-entered-pincode";
 const char HIDDetectionModel::kContextKeyMouseDeviceName[] =
     "mouse-device-name";
 const char HIDDetectionModel::kContextKeyKeyboardDeviceName[] =
     "keyboard-device-name";
 const char HIDDetectionModel::kContextKeyKeyboardLabel[] =
     "keyboard-device-label";
 const char HIDDetectionModel::kContextKeyContinueButtonEnabled[] =
     "continue-button-enabled";
 
 HIDDetectionModel::HIDDetectionModel(BaseScreenDelegate* base_screen_delegate)
-    : BaseScreen(base_screen_delegate) {
-}
+    : BaseScreen(base_screen_delegate,
+                 WizardController::kHIDDetectionScreenName) {}
 
 HIDDetectionModel::~HIDDetectionModel() {
 }
 
-std::string HIDDetectionModel::GetName() const {
-  return WizardController::kHIDDetectionScreenName;
-}
-
 }  // namespace chromeos