[rAc] Disable sign-in link while the user's signed-in state is unknown.

chrome/browser/ui/autofill/autofill_dialog_controller_impl.h

Index: chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
diff --git a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
index 54fb490ed79ce8f6a59a74351f8105ed3a560491..8a44fb7ff4688df3ad8bd6771d52e2732cb196ef 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
@@ -116,7 +116,7 @@ class AutofillDialogControllerImpl : public AutofillDialogViewDelegate,
   virtual string16 SaveLocallyText() const OVERRIDE;
   virtual string16 SaveLocallyTooltip() const OVERRIDE;
   virtual string16 LegalDocumentsText() OVERRIDE;
-  virtual DialogSignedInState SignedInState() const OVERRIDE;
+  virtual bool ShouldDisableSignInLink() const OVERRIDE;
   virtual bool ShouldShowSpinner() const OVERRIDE;
   virtual bool ShouldOfferToSaveInChrome() const OVERRIDE;
   virtual ui::MenuModel* MenuModelForAccountChooser() OVERRIDE;
@@ -311,6 +311,9 @@ class AutofillDialogControllerImpl : public AutofillDialogViewDelegate,
   // Stop showing sign in flow.
   void HideSignIn();
 
+  // Whether the user is known to be signed in.
+  DialogSignedInState SignedInState() const;
+
   // Handles the SignedInState() on Wallet or sign-in state update.
   // Triggers the user name fetch and passive sign-in.
   void SignedInStateUpdated();