Refactored error screen logic.

chrome/browser/chromeos/login/error_screen_actor.h

Index: chrome/browser/chromeos/login/error_screen_actor.h
diff --git a/chrome/browser/chromeos/login/error_screen_actor.h b/chrome/browser/chromeos/login/error_screen_actor.h
index acbf5c77a9042828d145dfb23bb8d20fe8716fa8..d2f470d241dc0ed8e721b6914bc56e2c32e53201 100644
--- a/chrome/browser/chromeos/login/error_screen_actor.h
+++ b/chrome/browser/chromeos/login/error_screen_actor.h
@@ -21,6 +21,7 @@ class ErrorScreenActor {
     STATE_PROXY_ERROR,
     STATE_CAPTIVE_PORTAL_ERROR,
     STATE_OFFLINE_ERROR,
+    STATE_TIMEOUT_ERROR
   };
 
   // Possible error reasons.
@@ -64,6 +65,7 @@ class ErrorScreenActor {
   // Each of the following methods shows corresponding error message.
   virtual void ShowProxyError() = 0;
   virtual void ShowCaptivePortalError(const std::string& network) = 0;
+  virtual void ShowTimeoutError() = 0;
   virtual void ShowOfflineError() = 0;
   virtual void AllowGuestSignin(bool allowed) = 0;
   virtual void AllowOfflineLogin(bool allowed) = 0;