[Payments] Upload card UI now has a CVC prompt

chrome/browser/flag_descriptions.cc

Index: chrome/browser/flag_descriptions.cc
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 0db8767031164478a72dcf126b9b460bfd891c1e..3e87397d3340b260c3c7ceb16c8108f36809fcc8 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -2434,6 +2434,13 @@ const char kEnableAutofillCreditCardLastUsedDateDisplay[] =
 const char kEnableAutofillCreditCardLastUsedDateDisplayDescription[] =
     "If enabled, display the last used date of a credit card in autofill.";
 
+const char kEnableAutofillCreditCardUploadCvcPrompt[] =
+    "Enable requesting missing CVC during Autofill credit card upload";
+
+const char kEnableAutofillCreditCardUploadCvcPromptDescription[] =
+    "If enabled, requests missing CVC when offering to upload credit cards to "
+    "Google Payments.";
+
 #if !defined(OS_ANDROID) && defined(GOOGLE_CHROME_BUILD)
 
 const char kGoogleBrandedContextMenuName[] =