[Payments] About flags entry for Service Worker payment apps

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 3004ed2876c142ca7763911887d821193398066a..97e672e422f3c419b62358b82bc5545f24856080 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -2591,6 +2591,11 @@ const char kAndroidPaymentAppsName[] = "Android payment apps";
 const char kAndroidPaymentAppsDescription[] =
     "Enable third party Android apps to integrate as payment apps";
 
+const char kServiceWorkerPaymentAppsName[] = "Service Worker payment apps";
+
+const char kServiceWorkerPaymentAppsDescription[] =
+    "Enable Service Worker applications to integrate as payment apps";
+
 #endif  // defined(OS_ANDROID)
 
 const char kFeaturePolicyName[] = "Feature Policy";