Added UI to enable debugging features on CrOS

chrome/browser/chromeos/login/app_launch_signin_screen.cc

 // Copyright 2013 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/app_launch_signin_screen.h"
 
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/help_app_launcher.h"
 #include "chrome/browser/chromeos/login/login_utils.h"
 #include "chrome/browser/chromeos/login/screens/user_selection_screen.h"
@@ skipping 102 matching lines @@
 }
 
 void AppLaunchSigninScreen::ResyncUserData() {
   NOTREACHED();
 }
 
 void AppLaunchSigninScreen::ShowEnterpriseEnrollmentScreen() {
   NOTREACHED();
 }
 
+void AppLaunchSigninScreen::ShowEnableDebuggingScreen() {
+  NOTREACHED();
+}
+
 void AppLaunchSigninScreen::ShowKioskEnableScreen() {
   NOTREACHED();
 }
 
 void AppLaunchSigninScreen::ShowKioskAutolaunchScreen() {
   NOTREACHED();
 }
 
 void AppLaunchSigninScreen::ShowWrongHWIDScreen() {
   NOTREACHED();
@@ skipping 86 matching lines @@
     ScreenlockBridge::LockHandler::AuthType auth_type) {
   return;
 }
 
 ScreenlockBridge::LockHandler::AuthType AppLaunchSigninScreen::GetAuthType(
     const std::string& username) const {
   return ScreenlockBridge::LockHandler::OFFLINE_PASSWORD;
 }
 
 }  // namespace chromeos