[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 30102a31bdf1c65112d8eda9ae4ee443728f9e08..880e0b3539d71aaad8ebebec051e307667ea03fb 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -3126,8 +3126,6 @@ split_static_library("browser") {
       "android/ntp/ntp_snippets_launcher.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",
@@ -3163,8 +3161,6 @@ 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",