[cros] Member variables cleanup in SigninScreenHandler.

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
index b18024d2dcbf4d02e291f74431af3f0a2d6f34cc..1ba9faa90546f4114586bde6c29e5ef3d147c2b3 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -218,11 +218,11 @@ class SigninScreenHandler : public BaseScreenHandler,
   // Keeps whether screen should be shown for OOBE.
   bool oobe_ui_;
 
-  // Whether webui has been loaded for the first time.
-  bool is_first_webui_ready_;
+  // Is focus still stolen from Gaia page?
+  bool focus_stolen_;
 
-  // Whether it is the first attempt to load the gaia extension.
-  bool is_first_attempt_;
+  // Has Gaia page silent load been started for the current sign-in attempt?
+  bool gaia_silent_load_;
 
   // True if dns cache cleanup is done.
   bool dns_cleared_;