Implemented screen notifying users about malformed HWID.

chrome/browser/chromeos/login/wizard_controller_browsertest.cc

Index: chrome/browser/chromeos/login/wizard_controller_browsertest.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller_browsertest.cc b/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
index d79042ff9db8d2cc1294c0f3c16661b59bd72a8d..62b2b61f6731c40ec24ca43918826106c4bd70bd 100644
--- a/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
+++ b/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
@@ -24,6 +24,7 @@
 #include "chrome/browser/chromeos/login/view_screen.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/login/wizard_in_process_browser_test.h"
+#include "chrome/browser/chromeos/login/wrong_hwid_screen.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "grit/generated_resources.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -328,9 +329,30 @@ IN_PROC_BROWSER_TEST_F(WizardControllerFlowTest, ControlFlowResetScreen) {
   EXPECT_FALSE(ExistingUserController::current_controller() == NULL);
 }
 
+IN_PROC_BROWSER_TEST_F(WizardControllerFlowTest,
+                       ControlFlowWrongHWIDScreenFromLogin) {
+  EXPECT_EQ(WizardController::default_controller()->GetNetworkScreen(),
+            WizardController::default_controller()->current_screen());
+
+  BaseLoginDisplayHost::default_host()->StartSignInScreen();
+  EXPECT_FALSE(ExistingUserController::current_controller() == NULL);
+  ExistingUserController::current_controller()->ShowWrongHWIDScreen();
+
+  WrongHWIDScreen* screen =
+      WizardController::default_controller()->GetWrongHWIDScreen();
+  EXPECT_EQ(screen, WizardController::default_controller()->current_screen());
+
+  // After warning is skipped, user returns to sign-in screen.
+  // And this destroys WizardController.
+  OnExit(ScreenObserver::WRONG_HWID_WARNING_SKIPPED);
+  EXPECT_FALSE(ExistingUserController::current_controller() == NULL);
+}
+
+// TODO(dzhioev): Add test emaulating device with wrong HWID.
+
 // TODO(nkostylev): Add test for WebUI accelerators http://crosbug.com/22571
 
-COMPILE_ASSERT(ScreenObserver::EXIT_CODES_COUNT == 16,
+COMPILE_ASSERT(ScreenObserver::EXIT_CODES_COUNT == 17,
                add_tests_for_new_control_flow_you_just_introduced);
 
 }  // namespace chromeos