Autofill wallet -- handle several classes of error in unmasking prompt.

components/autofill/core/browser/autofill_manager.h

Index: components/autofill/core/browser/autofill_manager.h
diff --git a/components/autofill/core/browser/autofill_manager.h b/components/autofill/core/browser/autofill_manager.h
index e9bbb44671161af6903235ba1dffbe8d9e89edac..5f8b67bff145c037d6f6249c9854fe57edf0822d 100644
--- a/components/autofill/core/browser/autofill_manager.h
+++ b/components/autofill/core/browser/autofill_manager.h
@@ -237,7 +237,8 @@ class AutofillManager : public AutofillDownloadManager::Observer,
 
   // wallet::RealPanWalletClient::Delegate:
   IdentityProvider* GetIdentityProvider() override;
-  void OnDidGetRealPan(const std::string& real_pan) override;
+  void OnDidGetRealPan(AutofillClient::GetRealPanResult result,
+                       const std::string& real_pan) override;
 
   // Returns false if Autofill is disabled or if no Autofill data is available.
   bool RefreshDataModels();