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

components/autofill/core/browser/autofill_manager.cc

 // Copyright 2013 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.
 
 #include "components/autofill/core/browser/autofill_manager.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <map>
@@ skipping 760 matching lines @@
   real_pan_client_.CancelRequest();
   driver_->RendererShouldClearPreviewedForm();
   unmasking_card_ = CreditCard();
   unmask_response_ = UnmaskResponse();
 }
 
 IdentityProvider* AutofillManager::GetIdentityProvider() {
   return client()->GetIdentityProvider();
 }
 
-void AutofillManager::OnDidGetRealPan(const std::string& real_pan) {
+void AutofillManager::OnDidGetRealPan(AutofillClient::GetRealPanResult result,
+                                      const std::string& real_pan) {
   if (!real_pan.empty()) {
+    DCHECK_EQ(AutofillClient::SUCCESS, result);
     credit_card_form_event_logger_->OnDidFillSuggestion(unmasking_card_);
     unmasking_card_.set_record_type(CreditCard::FULL_SERVER_CARD);
     unmasking_card_.SetNumber(base::UTF8ToUTF16(real_pan));
     if (unmask_response_.should_store_pan)
       personal_data_->UpdateServerCreditCard(unmasking_card_);
 
     FillCreditCardForm(unmasking_query_id_, unmasking_form_, unmasking_field_,
                        unmasking_card_);
   }
 
-  client()->OnUnmaskVerificationResult(!real_pan.empty());
+  client()->OnUnmaskVerificationResult(result);
 }
 
 void AutofillManager::OnDidEndTextFieldEditing() {
   external_delegate_->DidEndTextFieldEditing();
 }
 
 bool AutofillManager::IsAutofillEnabled() const {
   return client_->GetPrefs()->GetBoolean(prefs::kAutofillEnabled);
 }
 
@@ skipping 657 matching lines @@
     return false;
 
   // Disregard forms that we wouldn't ever autofill in the first place.
   if (!form.ShouldBeParsed())
     return false;
 
   return true;
 }
 
 }  // namespace autofill