arc: Add splash screen for ARC++ Kiosk startup

chrome/browser/chromeos/login/oobe_screen.cc

Index: chrome/browser/chromeos/login/oobe_screen.cc
diff --git a/chrome/browser/chromeos/login/oobe_screen.cc b/chrome/browser/chromeos/login/oobe_screen.cc
index 92678791766be059fe8b77a74b5424b79462d25a..ce06a5cff19d9a0cd9894193df5097ff08b2795f 100644
--- a/chrome/browser/chromeos/login/oobe_screen.cc
+++ b/chrome/browser/chromeos/login/oobe_screen.cc
@@ -34,6 +34,7 @@ const char* kScreenNames[] = {
     "wrong-hwid",                      // SCREEN_WRONG_HWID
     "auto-enrollment-check",           // SCREEN_AUTO_ENROLLMENT_CHECK
     "app-launch-splash",               // SCREEN_APP_LAUNCH_SPLASH
+    "arc-kiosk-splash",                // SCREEN_ARC_KIOSK_SPLASH
     "confirm-password",                // SCREEN_CONFIRM_PASSWORD
     "fatal-error",                     // SCREEN_FATAL_ERROR
     "controller-pairing",              // SCREEN_OOBE_CONTROLLER_PAIRING
@@ -43,10 +44,10 @@ const char* kScreenNames[] = {
     "userBoard",                       // SCREEN_USER_SELECTION
     // SCREEN_ACTIVE_DIRECTORY_PASSWORD_CHANGE
     "ad-password-change",
-    "login",                           // SCREEN_SPECIAL_LOGIN
-    "oobe",                            // SCREEN_SPECIAL_OOBE
-    "test:nowindow",                   // SCREEN_TEST_NO_WINDOW
-    "unknown",                         // SCREEN_UNKNOWN
+    "login",          // SCREEN_SPECIAL_LOGIN
+    "oobe",           // SCREEN_SPECIAL_OOBE
+    "test:nowindow",  // SCREEN_TEST_NO_WINDOW
+    "unknown",        // SCREEN_UNKNOWN
 };
 
 static_assert(static_cast<size_t>(OobeScreen::SCREEN_UNKNOWN) ==