[Autofill] Add user actions for checkout flow.

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 <stdint.h>
 
 #include <algorithm>
@@ skipping 694 matching lines @@
 
   if (is_new_popup) {
     AutofillMetrics::LogUserHappinessMetric(AutofillMetrics::SUGGESTIONS_SHOWN);
 
     if (!did_show_suggestions_) {
       did_show_suggestions_ = true;
       AutofillMetrics::LogUserHappinessMetric(
           AutofillMetrics::SUGGESTIONS_SHOWN_ONCE);
     }
 
     if (autofill_field->Type().group() == CREDIT_CARD)

[Mathieu, 2016/04/11 16:45:45]

we will need brackets if we have multiple lines in the block, no?

[sebsg, 2016/04/12 14:40:59]

Done.

-      credit_card_form_event_logger_->OnDidShowSuggestions();
+      credit_card_form_event_logger_->OnDidShowSuggestions(

[Mathieu, 2016/04/11 16:45:45]

FormEventLogger is constructed with |is_for_credit_card|, so you don't need
this?

[sebsg, 2016/04/12 14:40:59]

Done.

+          true /* is_credit_card */);
     else
-      address_form_event_logger_->OnDidShowSuggestions();
+      address_form_event_logger_->OnDidShowSuggestions(
+          false /* is_credit_card */);
   }
 }
 
 void AutofillManager::OnHidePopup() {
   if (!IsAutofillEnabled())
     return;
 
   autocomplete_history_manager_->CancelPendingQuery();
   client_->HideAutofillPopup();
 }
@@ skipping 1269 matching lines @@
     if (i > 0)
       fputs("Next oldest form:\n", file);
   }
   fputs("\n", file);
 
   fclose(file);
 }
 #endif  // ENABLE_FORM_DEBUG_DUMP
 
 }  // namespace autofill