[Autofill] Implement Credit Card Signin Promo

components/autofill/core/browser/autofill_external_delegate.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_external_delegate.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 17 matching lines @@
 namespace autofill {
 
 AutofillExternalDelegate::AutofillExternalDelegate(AutofillManager* manager,
                                                    AutofillDriver* driver)
     : manager_(manager),
       driver_(driver),
       query_id_(0),
       has_suggestion_(false),
       has_shown_popup_for_current_edit_(false),
       should_show_scan_credit_card_(false),
+      should_show_cc_signin_promo_(false),
       has_shown_address_book_prompt(false),
       weak_ptr_factory_(this) {
   DCHECK(manager);
 }
 
 AutofillExternalDelegate::~AutofillExternalDelegate() {}
 
 void AutofillExternalDelegate::OnQuery(int query_id,
                                        const FormData& form,
                                        const FormFieldData& field,
                                        const gfx::RectF& element_bounds) {
   if (!query_form_.SameFormAs(form))
     has_shown_address_book_prompt = false;
 
   query_form_ = form;
   query_field_ = field;
   query_id_ = query_id;
   element_bounds_ = element_bounds;
   should_show_scan_credit_card_ =
       manager_->ShouldShowScanCreditCard(query_form_, query_field_);
+  should_show_cc_signin_promo_ =
+      manager_->ShouldShowCreditCardSigninPromo(query_form_, query_field_);
 }
 
 void AutofillExternalDelegate::OnSuggestionsReturned(
     int query_id,
     const std::vector<Suggestion>& input_suggestions) {
   if (query_id != query_id_)
     return;
 
   std::vector<Suggestion> suggestions(input_suggestions);
 
@@ skipping 25 matching lines @@
   for (size_t i = 0; i < suggestions.size(); ++i) {
     if (suggestions[i].frontend_id > 0) {
       has_suggestion_ = true;
       break;
     }
   }
 
   if (has_suggestion_)
     ApplyAutofillOptions(&suggestions);
 
+  // Append the credit card signin promo, if appropriate.
+  if (has_suggestion_ && should_show_cc_signin_promo_) {
+// No separator on Android.
+#if !defined(OS_ANDROID)
+    Suggestion separator;
+    separator.frontend_id = POPUP_ITEM_ID_SEPARATOR;
+    suggestions.push_back(separator);
+#endif
+
+    Suggestion signin_promo_suggestion(
+        l10n_util::GetStringUTF16(IDS_AUTOFILL_CREDIT_CARD_SIGNIN_PROMO));
+    signin_promo_suggestion.frontend_id =
+        POPUP_ITEM_ID_CREDIT_CARD_SIGNIN_PROMO;
+    suggestions.push_back(signin_promo_suggestion);
+  }
+
 #if !defined(OS_ANDROID)
   // Remove the separator if it is the last element.
   DCHECK_GT(suggestions.size(), 0U);
   if (suggestions.back().frontend_id == POPUP_ITEM_ID_SEPARATOR)
     suggestions.pop_back();
 #endif
 
   // If anything else is added to modify the values after inserting the data
   // list, AutofillPopupControllerImpl::UpdateDataListValues will need to be
   // updated to match.
@@ skipping 61 matching lines @@
     NOTREACHED();  // Should be handled elsewhere.
   } else if (identifier == POPUP_ITEM_ID_DATALIST_ENTRY) {
     driver_->RendererShouldAcceptDataListSuggestion(value);
   } else if (identifier == POPUP_ITEM_ID_AUTOCOMPLETE_ENTRY) {
     // User selected an Autocomplete, so we fill directly.
     driver_->RendererShouldFillFieldWithValue(value);
     AutofillMetrics::LogAutocompleteSuggestionAcceptedIndex(position);
   } else if (identifier == POPUP_ITEM_ID_SCAN_CREDIT_CARD) {
     manager_->client()->ScanCreditCard(base::Bind(
         &AutofillExternalDelegate::OnCreditCardScanned, GetWeakPtr()));
+  } else if (identifier == POPUP_ITEM_ID_CREDIT_CARD_SIGNIN_PROMO) {
+    manager_->client()->StartSigninFlow();
   } else {
     if (identifier > 0)  // Denotes an Autofill suggestion.
       AutofillMetrics::LogAutofillSuggestionAcceptedIndex(position);
 
     FillAutofillFormData(identifier, false);
   }
 
   if (should_show_scan_credit_card_) {
     AutofillMetrics::LogScanCreditCardPromptMetric(
         identifier == POPUP_ITEM_ID_SCAN_CREDIT_CARD
@@ skipping 146 matching lines @@
   suggestions->insert(suggestions->begin(), data_list_values_.size(),
                       Suggestion());
   for (size_t i = 0; i < data_list_values_.size(); i++) {
     (*suggestions)[i].value = data_list_values_[i];
     (*suggestions)[i].label = data_list_labels_[i];
     (*suggestions)[i].frontend_id = POPUP_ITEM_ID_DATALIST_ENTRY;
   }
 }
 
 }  // namespace autofill