Implemented screen notifying users about malformed HWID.

chrome/browser/chromeos/login/oobe_display.h

Index: chrome/browser/chromeos/login/oobe_display.h
diff --git a/chrome/browser/chromeos/login/oobe_display.h b/chrome/browser/chromeos/login/oobe_display.h
index 10be18940ff18c47dcbbecda965ea83bbeb93928..2cc383521fd0c618a24e5656bdd37c8380732c00 100644
--- a/chrome/browser/chromeos/login/oobe_display.h
+++ b/chrome/browser/chromeos/login/oobe_display.h
@@ -21,6 +21,7 @@ class UserImageScreenActor;
 // TODO(altimofeev): use real actors instead
 class ViewScreenDelegate;
 class WizardScreen;
+class WrongHWIDScreenActor;
 
 // Interface which is used by WizardController to do actual OOBE screens
 // showing. Also it provides actors for the OOBE screens.
@@ -47,6 +48,7 @@ class OobeDisplay {
   // TODO(altimofeev): use real actors instead.
   virtual ViewScreenDelegate* GetRegistrationScreenActor() = 0;
   virtual ViewScreenDelegate* GetHTMLPageScreenActor() = 0;
+  virtual WrongHWIDScreenActor* GetWrongHWIDScreenActor() = 0;
 };
 
 }  // namespace chromeos