Flag for Background Loading of Offline Pages.

components/offline_pages/offline_page_switches.cc

Index: components/offline_pages/offline_page_switches.cc
diff --git a/components/offline_pages/offline_page_switches.cc b/components/offline_pages/offline_page_switches.cc
index e326a179069f131417316639be670e0ec02c17ef..28efdc927dc0b09b5d38b14eca081551cd7710c9 100644
--- a/components/offline_pages/offline_page_switches.cc
+++ b/components/offline_pages/offline_page_switches.cc
@@ -20,4 +20,12 @@ const char kEnableOfflinePagesAsBookmarks[] =
 const char kEnableOfflinePagesAsSavedPages[] =
     "enable-offline-pages-as-saved-pages";
 
+// Enable using saving offline pages in the background.
+const char kEnableOfflinePagesBackgroundLoading[] =
+    "enable-offline-pages-background-loading";
+
+// Disable using saving offline pages in the background.
+const char kDisableOfflinePagesBackgroundLoading[] =
+    "disable-offline-pages-background-loading";
+
 }  // namespace switches