Revert of [Offline Pages] Remove need for OfflinePolicy when constructing an Offliner.

chrome/browser/android/offline_pages/background_loader_offliner.h

Index: chrome/browser/android/offline_pages/background_loader_offliner.h
diff --git a/chrome/browser/android/offline_pages/background_loader_offliner.h b/chrome/browser/android/offline_pages/background_loader_offliner.h
index 3456070ee31d70379c7ddda9c566e3ccf6f1895c..0240e148d03c8de83ab838cd1b7b13edd06067de 100644
--- a/chrome/browser/android/offline_pages/background_loader_offliner.h
+++ b/chrome/browser/android/offline_pages/background_loader_offliner.h
@@ -20,6 +20,7 @@
 
 namespace offline_pages {
 
+class OfflinerPolicy;
 class OfflinePageModel;
 
 // An Offliner implementation that attempts client-side rendering and saving
@@ -29,6 +30,7 @@
                                  public content::WebContentsObserver {
  public:
   BackgroundLoaderOffliner(content::BrowserContext* browser_context,
+                           const OfflinerPolicy* policy,
                            OfflinePageModel* offline_page_model);
   ~BackgroundLoaderOffliner() override;