Move OfflinePageModelFactory to platform independent directory

BUG=722467
[email protected]

Change-Id: Id65c57f70359cbeed6b2d5a92993dab12eebf3e1
Reviewed-on: https://chromium-review.googlesource.com/558525
Commit-Queue: Jian Li <[email protected]>
Reviewed-by: Justin DeWitt <[email protected]>
Cr-Commit-Position: refs/heads/master@{#483863}
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 6ae9ed5..e8a6941 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -2152,8 +2152,6 @@
       "android/offline_pages/offline_page_info_handler.h",
       "android/offline_pages/offline_page_mhtml_archiver.cc",
       "android/offline_pages/offline_page_mhtml_archiver.h",
-      "android/offline_pages/offline_page_model_factory.cc",
-      "android/offline_pages/offline_page_model_factory.h",
       "android/offline_pages/offline_page_request_interceptor.cc",
       "android/offline_pages/offline_page_request_interceptor.h",
       "android/offline_pages/offline_page_request_job.cc",
@@ -2178,6 +2176,8 @@
       "android/offline_pages/request_coordinator_factory.h",
       "offline_pages/background_loader_offliner.cc",
       "offline_pages/background_loader_offliner.h",
+      "offline_pages/offline_page_model_factory.cc",
+      "offline_pages/offline_page_model_factory.h",
       "offline_pages/offliner_user_data.cc",
       "offline_pages/offliner_user_data.h",
       "offline_pages/prefetch/offline_metrics_collector_impl.cc",