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

components/autofill/core/browser/autofill_client.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_CLIENT_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_CLIENT_H_
 
 #include <vector>
 
 #include "base/callback_forward.h"
@@ skipping 37 matching lines @@
 class AutofillClient {
  public:
   // Copy of blink::WebFormElement::AutocompleteResult.
   enum RequestAutocompleteResult {
     AutocompleteResultSuccess,
     AutocompleteResultErrorDisabled,
     AutocompleteResultErrorCancel,
     AutocompleteResultErrorInvalid,
   };
 
+  enum GetRealPanResult {
+    // Request succeeded.
+    SUCCESS,
+
+    // Request failed; try again.
+    TRY_AGAIN_FAILURE,
+
+    // Request failed; don't try again.
+    PERMANENT_FAILURE,
+
+    // Unable to connect to Wallet servers. Prompt user to check internet
+    // connection.
+    NETWORK_ERROR,
+  };
+
   typedef base::Callback<void(RequestAutocompleteResult,
                               const base::string16&,
                               const FormStructure*)> ResultCallback;
 
   typedef base::Callback<void(const base::string16& /* card number */,
                               int /* exp month */,
                               int /* exp year */)> CreditCardScanCallback;
 
   virtual ~AutofillClient() {}
 
@@ skipping 12 matching lines @@
   // Hides the associated request autocomplete dialog (if it exists).
   virtual void HideRequestAutocompleteDialog() = 0;
 
   // Causes the Autofill settings UI to be shown.
   virtual void ShowAutofillSettings() = 0;
 
   // A user has attempted to use a masked card. Prompt them for further
   // information to proceed.
   virtual void ShowUnmaskPrompt(const CreditCard& card,
                                 base::WeakPtr<CardUnmaskDelegate> delegate) = 0;
-  virtual void OnUnmaskVerificationResult(bool success) = 0;
+  virtual void OnUnmaskVerificationResult(GetRealPanResult result) = 0;
 
   // Run |save_card_callback| if the credit card should be imported as personal
   // data. |metric_logger| can be used to log user actions.
   virtual void ConfirmSaveCreditCard(
       const base::Closure& save_card_callback) = 0;
 
   // Returns true if both the platform and the device support scanning credit
   // cards. Should be called before ScanCreditCard().
   virtual bool HasCreditCardScanFeature() = 0;
 
@@ skipping 43 matching lines @@
   virtual void OnFirstUserGestureObserved() = 0;
 
   // Opens |url| with the supplied |disposition|.
   virtual void LinkClicked(const GURL& url,
                            WindowOpenDisposition disposition) = 0;
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_CLIENT_H_