[CloudToken] Add a chrome flag for feature AutofillEnableVirtualCard

Bug: 1020740
Change-Id: I15dbc8d06a72e54c4c7c0a16b2afa8331113185b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1951337
Reviewed-by: Jared Saul <[email protected]>
Commit-Queue: Siyu An <[email protected]>
Cr-Commit-Position: refs/heads/master@{#721698}
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index dd84f8b..ed3eaa5 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -131,6 +131,9 @@
 extern const char kAutofillEnableToolbarStatusChipName[];
 extern const char kAutofillEnableToolbarStatusChipDescription[];
 
+extern const char kAutofillEnableVirtualCardName[];
+extern const char kAutofillEnableVirtualCardDescription[];
+
 // Enforcing restrictions to enable/disable autofill small form support.
 extern const char kAutofillEnforceMinRequiredFieldsForHeuristicsName[];
 extern const char kAutofillEnforceMinRequiredFieldsForHeuristicsDescription[];