Flag for Background Loading of Offline Pages.

components/offline_pages/offline_page_feature.cc

Index: components/offline_pages/offline_page_feature.cc
diff --git a/components/offline_pages/offline_page_feature.cc b/components/offline_pages/offline_page_feature.cc
index ab00925cf73069a62c29a4fdd30c6057a5374372..114c0dbe9156120c27f55bed06371210918a345f 100644
--- a/components/offline_pages/offline_page_feature.cc
+++ b/components/offline_pages/offline_page_feature.cc
@@ -29,6 +29,10 @@ const base::Feature kOffliningRecentPagesFeature {
    "offline-recent-pages", base::FEATURE_DISABLED_BY_DEFAULT
 };
 
+const base::Feature kOfflinePagesBackgroundLoadingFeature {
+   "offline-pages-background-loading", base::FEATURE_DISABLED_BY_DEFAULT
+};
+
 FeatureMode GetOfflinePageFeatureMode() {
   // Note: It's important to query the field trial state first, to ensure that
   // UMA reports the correct group.
@@ -83,4 +87,9 @@ bool IsOffliningRecentPagesEnabled() {
           IsOfflinePagesEnabled();
 }
 
+bool IsOfflinePagesBackgroundLoadingEnabled() {
+  return base::FeatureList::IsEnabled(kOfflinePagesBackgroundLoadingFeature)
+      && IsOfflinePagesEnabled();
+}
+
 }  // namespace offline_pages