[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 43e8eba330beba77ac5751f807554627f7bc80b6..a8bdf29cda628cc3d43ce3d5fd5ee07fea94c514 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.h
@@ -109,7 +109,7 @@ 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;
@@ -283,6 +283,14 @@ class AutofillDialogControllerImpl : public AutofillDialogViewDelegate,
       scoped_ptr<AutofillProfile> billing_profile);
 
  private:
+  enum DialogSignedInState {
+    REQUIRES_RESPONSE,
+    REQUIRES_SIGN_IN,
+    REQUIRES_PASSIVE_SIGN_IN,
+    SIGNED_IN,
+    SIGN_IN_DISABLED,
+  };
+
   // Whether or not the current request wants credit info back.
   bool RequestingCreditCardInfo() const;
 
@@ -298,6 +306,9 @@ 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();