[Payments] Upload card UI now has a CVC prompt

chrome/browser/flag_descriptions.h

Index: chrome/browser/flag_descriptions.h
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index f2d0d03acbf3b034b253a2726480d95dee4c142c..1dd8450eb954ea92c141d792dde749d0d90ba1ed 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -2644,6 +2644,14 @@ extern const char kEnableAutofillCreditCardLastUsedDateDisplay[];
 // card in autofill.
 extern const char kEnableAutofillCreditCardLastUsedDateDisplayDescription[];
 
+// Name for the flag to enable requesting CVC in the credit card upload "offer
+// to save" bubble if it was not already detected in the submitted form.
+extern const char kEnableAutofillCreditCardUploadCvcPrompt[];
+
+// Description for the flag to enable requesting CVC in the credit card upload
+// offer to save bubble if it was not detected during the checkout flow.
+extern const char kEnableAutofillCreditCardUploadCvcPromptDescription[];
+
 #if !defined(OS_ANDROID) && defined(GOOGLE_CHROME_BUILD)
 
 // Name for the flag to enable Google branding in the context menu.