[Offline pages] Completely remove offliner factory.

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 269ec237ca54c363d9daab1e150e4bd074d180d3..9a2072c4ae8e117f3bf0fbe13d202c6e931a34d4 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -3130,8 +3130,6 @@ split_static_library("browser") {
       "android/ntp/recent_tabs_page_prefs.h",
       "android/offline_pages/background_loader_offliner.cc",
       "android/offline_pages/background_loader_offliner.h",
-      "android/offline_pages/background_loader_offliner_factory.cc",
-      "android/offline_pages/background_loader_offliner_factory.h",
       "android/offline_pages/background_scheduler_bridge.cc",
       "android/offline_pages/background_scheduler_bridge.h",
       "android/offline_pages/downloads/offline_page_download_bridge.cc",
@@ -3167,8 +3165,6 @@ split_static_library("browser") {
       "android/offline_pages/prerendering_loader.h",
       "android/offline_pages/prerendering_offliner.cc",
       "android/offline_pages/prerendering_offliner.h",
-      "android/offline_pages/prerendering_offliner_factory.cc",
-      "android/offline_pages/prerendering_offliner_factory.h",
       "android/offline_pages/recent_tab_helper.cc",
       "android/offline_pages/recent_tab_helper.h",
       "android/offline_pages/request_coordinator_factory.cc",