Flag for Offline Page Sharing

components/offline_pages/offline_page_feature.h

Index: components/offline_pages/offline_page_feature.h
diff --git a/components/offline_pages/offline_page_feature.h b/components/offline_pages/offline_page_feature.h
index bdfefaf29962ad7741068adbf83ce07c0d6ac0a5..d28737b6c65e8e11b3e4fde9c05dbf5fb4997245 100644
--- a/components/offline_pages/offline_page_feature.h
+++ b/components/offline_pages/offline_page_feature.h
@@ -13,6 +13,7 @@ namespace offline_pages {
 extern const base::Feature kOfflineBookmarksFeature;
 extern const base::Feature kOffliningRecentPagesFeature;
 extern const base::Feature kOfflinePagesBackgroundLoadingFeature;
+extern const base::Feature kOfflinePagesSharingFeature;
 extern const base::Feature kOfflinePagesCTFeature;
 
 // Returns true if offline pages, as result of one or more offline features
@@ -28,6 +29,9 @@ bool IsOffliningRecentPagesEnabled();
 // Returns true if saving offline pages in the background is enabled.
 bool IsOfflinePagesBackgroundLoadingEnabled();
 
+// Returns true if offline page sharing is enabled.
+bool IsOfflinePagesSharingEnabled();
+
 // Returns true if offline CT features are enabled.  See crbug.com/620421.
 bool IsOfflinePagesCTEnabled();