[Payments] Upload card UI now has a CVC prompt

chrome/browser/flag_descriptions.cc

 // Copyright 2017 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/flag_descriptions.h"
 
 namespace flag_descriptions {
 
 //  Material Design version of chrome://bookmarks
 
@@ skipping 2381 matching lines @@
     "layout.";
 
 #endif  // defined(OS_ANDROID)
 
 const char kEnableAutofillCreditCardLastUsedDateDisplay[] =
     "Display the last used date of a credit card in autofill.";
 
 const char kEnableAutofillCreditCardLastUsedDateDisplayDescription[] =
     "If enabled, display the last used date of a credit card in autofill.";
 
+#if defined(OS_CHROMEOS) || defined(OS_LINUX) || defined(OS_MACOSX) || \
+    defined(OS_WIN)
+
+const char kAutofillUpstreamRequestCvcIfMissing[] =
+    "Enable requesting missing CVC during Autofill credit card upload";
+
+const char kAutofillUpstreamRequestCvcIfMissingDescription[] =
+    "If enabled, requests missing CVC when offering to upload credit cards to "
+    "Google Payments.";
+
+#endif  // defined(OS_CHROMEOS) || defined(OS_LINUX) || defined(OS_MACOSX) ||
+        // defined(OS_WIN)
+
 #if !defined(OS_ANDROID) && defined(GOOGLE_CHROME_BUILD)
 
 const char kGoogleBrandedContextMenuName[] =
     "Google branding in the context menu";
 
 const char kGoogleBrandedContextMenuDescription[] =
     "Shows a Google icon next to context menu items powered by Google "
     "services.";
 
 #endif  // !defined(OS_ANDROID) && defined(GOOGLE_CHROME_BUILD)
@@ skipping 492 matching lines @@
 const char kEnableEhvInputName[] =
     "Emoji, handwriting and voice input on opt-in IME menu";
 
 const char kEnableEhvInputDescription[] =
     "Enable access to emoji, handwriting and voice input form opt-in IME "
     "menu.";
 
 #endif  // #if defined(OS_CHROMEOS)
 
 }  // namespace flag_descriptions