[Offline Pages] Feature flag to allow concurrent background loading on svelte

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 1a18f641f600ffbfd9eebd27328364b874ab8a84..bebdc7bf6ef5e6e4ec3d38228c96e4b2b796266c 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2099,6 +2099,11 @@ const FeatureEntry kFeatureEntries[] = {
      IDS_FLAGS_ENABLE_CONSISTENT_OMNIBOX_GEOLOCATION_NAME,
      IDS_FLAGS_ENABLE_CONSISTENT_OMNIBOX_GEOLOCATION_DESCRIPTION, kOsAndroid,
      FEATURE_VALUE_TYPE(features::kConsistentOmniboxGeolocation)},
+    {"concurrent-background-loading-on-svelte",
+     IDS_FLAGS_OFFLINE_PAGES_SVELTE_CONCURRENT_LOADING_NAME,
+     IDS_FLAGS_OFFLINE_PAGES_SVELTE_CONCURRENT_LOADING_DESCRIPTION, kOsAndroid,
+     FEATURE_VALUE_TYPE(
+         offline_pages::kOfflinePagesSvelteConcurrentLoadingFeature)},
 #endif
     // NOTE: Adding new command-line switches requires adding corresponding
     // entries to enum "LoginCustomFlags" in histograms.xml. See note in