Code: void AutofillManager::GetAvailableSuggestions(
    const FormData& form,
    const FormFieldData& field,
    std::vector<Suggestion>* suggestions,
    SuggestionsContext* context) {
  DCHECK(suggestions);
  DCHECK(context);

  bool is_autofill_possible = RefreshDataModels();

  bool got_autofillable_form =
      GetCachedFormAndField(form, field, &context->form_structure,
                            &context->focused_field) &&
      context->form_structure->ShouldBeParsed();

  if (got_autofillable_form) {
    if (context->focused_field->Type().group() == CREDIT_CARD) {
      context->is_filling_credit_card = true;
      driver()->DidInteractWithCreditCardForm();
      credit_card_form_event_logger_->OnDidInteractWithAutofillableForm(
          context->form_structure->form_signature());
    } else {
      address_form_event_logger_->OnDidInteractWithAutofillableForm(
          context->form_structure->form_signature());
    }
  }

  context->is_context_secure =
      !IsFormNonSecure(form) ||
      !base::FeatureList::IsEnabled(
          features::kAutofillRequireSecureCreditCardContext);


  if (!is_autofill_possible || !driver()->RendererIsAvailable() ||
      !got_autofillable_form)
    return;

  context->is_autofill_available = true;

  if (context->is_filling_credit_card) {
    *suggestions =
        GetCreditCardSuggestions(field, context->focused_field->Type(),
                                 &context->is_all_server_suggestions);

    if (base::FeatureList::IsEnabled(kAutofillCreditCardAblationExperiment) &&
        !suggestions->empty()) {
      context->suppress_reason = SuppressReason::kCreditCardsAblation;
      suggestions->clear();
      return;
    }
  } else {
    if (!base::FeatureList::IsEnabled(kAutofillAlwaysFillAddresses) &&
        IsDesktopPlatform() && !field.should_autocomplete) {
      context->suppress_reason = SuppressReason::kAutocompleteOff;
      return;
    }

    *suggestions = GetProfileSuggestions(*context->form_structure, field,
                                         *context->focused_field);
  }

  if (!suggestions->empty() && context->is_filling_credit_card &&
      !context->is_context_secure) {
    Suggestion warning_suggestion(
        l10n_util::GetStringUTF16(IDS_AUTOFILL_WARNING_INSECURE_CONNECTION));
     warning_suggestion.frontend_id =
         POPUP_ITEM_ID_INSECURE_CONTEXT_PAYMENT_DISABLED_MESSAGE;
     suggestions->assign(1, warning_suggestion);
  } else {
    context->section_has_autofilled_field = SectionHasAutofilledField(
        *context->form_structure, form, context->focused_field->section);
    if (context->section_has_autofilled_field) {
      std::set<base::string16> seen_values;
      for (auto iter = suggestions->begin(); iter != suggestions->end();) {
        if (!seen_values.insert(iter->value).second) {
          iter = suggestions->erase(iter);
        } else {
          iter->label.clear();
          iter->icon.clear();
          ++iter;
        }
      }
    }
   }
 }

Vulnerability Type: +Info 
CWE ID: 
Summary: Unsafe handling of credit card details in Autofill in Google Chrome prior to 69.0.3497.81 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
Commit Message: [AF] Don't simplify/dedupe suggestions for (partially) filled sections.

Since Autofill does not fill field by field anymore, this simplifying
and deduping of suggestions is not useful anymore.

Bug: 858820
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I36f7cfe425a0bdbf5ba7503a3d96773b405cc19b
Reviewed-on: https://chromium-review.googlesource.com/1128255
Reviewed-by: Roger McFarlane <rogerm@chromium.org>
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#573315}