[Payments] Upload card UI now has a CVC prompt

chrome/browser/about_flags.cc

 // Copyright (c) 2012 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 "chrome/browser/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 2348 matching lines @@
      FEATURE_VALUE_TYPE(features::kNativeAndroidHistoryManager)},
 #endif  // OS_ANDROID
     {"enable-autofill-credit-card-last-used-date-display",
      flag_descriptions::kEnableAutofillCreditCardLastUsedDateDisplay,
      flag_descriptions::kEnableAutofillCreditCardLastUsedDateDisplayDescription,
      kOsAll,
      FEATURE_WITH_PARAMS_VALUE_TYPE(
          autofill::kAutofillCreditCardLastUsedDateDisplay,
          kAutofillCreditCardLastUsedDateFeatureVariations,
          "AutofillCreditCardLastUsedDate")},
+    {"enable-autofill-credit-card-upload-cvc-prompt",
+     flag_descriptions::kAutofillUpstreamRequestCvcIfMissing,
+     flag_descriptions::kAutofillUpstreamRequestCvcIfMissingDescription,
+     kOsDesktop,
+     FEATURE_VALUE_TYPE(autofill::kAutofillUpstreamRequestCvcIfMissing)},
 #if defined(OS_WIN)
     {"windows10-custom-titlebar",
      flag_descriptions::kWindows10CustomTitlebarName,
      flag_descriptions::kWindows10CustomTitlebarDescription, kOsWin,
      SINGLE_VALUE_TYPE(switches::kWindows10CustomTitlebar)},
 #endif  // OS_WIN
 
 #if defined(OS_ANDROID)
     {"lsd-permission-prompt", flag_descriptions::kLsdPermissionPromptName,
      flag_descriptions::kLsdPermissionPromptDescription, kOsAndroid,
@@ skipping 338 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags