Disable EULA/update/register screens for non-official builds.

chrome/browser/chromeos/login/wizard_controller.h

Index: chrome/browser/chromeos/login/wizard_controller.h
diff --git a/chrome/browser/chromeos/login/wizard_controller.h b/chrome/browser/chromeos/login/wizard_controller.h
index 622be13013bb89b5a612e71c366d95be5566438e..63bdc71f0dacd4c9ca4365f79782fa8d7ebecc3d 100644
--- a/chrome/browser/chromeos/login/wizard_controller.h
+++ b/chrome/browser/chromeos/login/wizard_controller.h
@@ -146,6 +146,7 @@ class WizardController : public chromeos::ScreenObserver,
   void OnUserImageSkipped();
   void OnRegistrationSuccess();
   void OnRegistrationSkipped();
+  void OnOOBECompleted();
 
   // Switches from one screen to another.
   void SetCurrentScreen(WizardScreen* screen);
@@ -200,6 +201,9 @@ class WizardController : public chromeos::ScreenObserver,
   std::string username_;
   std::string password_;
 
+  // True if running official BUILD.
+  bool is_official_build_;
+
   // True if full OOBE flow should be shown.
   bool is_out_of_box_;