Credit card scanning field trial.

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>
 #include <set>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/guid.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
+#include "base/metrics/field_trial.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "components/autofill/core/browser/autocomplete_history_manager.h"
 #include "components/autofill/core/browser/autofill_client.h"
 #include "components/autofill/core/browser/autofill_data_model.h"
 #include "components/autofill/core/browser/autofill_external_delegate.h"
 #include "components/autofill/core/browser/autofill_field.h"
@@ skipping 260 matching lines @@
 int AutofillManager::AccessAddressBookPromptCount() {
   if (!personal_data_)
     return 0;
   return personal_data_->AccessAddressBookPromptCount();
 }
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 
 bool AutofillManager::ShouldShowScanCreditCard(const FormData& form,
                                                const FormFieldData& field) {
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
-          autofill::switches::kEnableCreditCardScan)) {
+          autofill::switches::kEnableCreditCardScan) &&
+      (base::FieldTrialList::FindFullName("CreditCardScan") != "Enabled" ||
+       base::CommandLine::ForCurrentProcess()->HasSwitch(
+           autofill::switches::kDisableCreditCardScan))) {
     return false;
   }
 
   if (!client_->HasCreditCardScanFeature())
     return false;
 
   AutofillField* autofill_field = GetAutofillField(form, field);
   if (!autofill_field ||
       autofill_field->Type().GetStorableType() != CREDIT_CARD_NUMBER) {
     return false;
@@ skipping 1147 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