Add chrome://flags#check-offline-capability

Bug: 965802
Change-Id: Id0008fd9418110c3d1d4590c7ca035b5317d7aff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2494288
Commit-Queue: Asami Doi <[email protected]>
Reviewed-by: Makoto Shimazu <[email protected]>
Cr-Commit-Position: refs/heads/master@{#822048}
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index 50ec80d..cb1384de 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -200,6 +200,9 @@
 extern const char kBypassAppBannerEngagementChecksName[];
 extern const char kBypassAppBannerEngagementChecksDescription[];
 
+extern const char kCheckOfflineCapabilityName[];
+extern const char kCheckOfflineCapabilityDescription[];
+
 extern const char kContextMenuGoogleLensChipName[];
 extern const char kContextMenuGoogleLensChipDescription[];