cros: Replace WizardController string constants with OobeScreen values.

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

Index: chrome/browser/chromeos/login/screens/eula_model.cc
diff --git a/chrome/browser/chromeos/login/screens/eula_model.cc b/chrome/browser/chromeos/login/screens/eula_model.cc
index e8f011996fe392b6b77762bca80fed9913bd1511..21b28849939e5575f3b0acdcd48e7dbbc048d398 100644
--- a/chrome/browser/chromeos/login/screens/eula_model.cc
+++ b/chrome/browser/chromeos/login/screens/eula_model.cc
@@ -13,9 +13,8 @@ const char EulaModel::kUserActionBackButtonClicked[] = "back-button";
 const char EulaModel::kContextKeyUsageStatsEnabled[] = "usageStatsEnabled";
 
 EulaModel::EulaModel(BaseScreenDelegate* base_screen_delegate)
-    : BaseScreen(base_screen_delegate, WizardController::kEulaScreenName) {}
+    : BaseScreen(base_screen_delegate, OobeScreen::SCREEN_OOBE_EULA) {}
 
-EulaModel::~EulaModel() {
-}
+EulaModel::~EulaModel() {}
 
 }  // namespace chromeos