Updates to PrerenderingOffliner and PrerenderingLoader interfaces to push PrerenderManager knowledge

components/offline_pages/background/offliner.h

Index: components/offline_pages/background/offliner.h
diff --git a/components/offline_pages/background/offliner.h b/components/offline_pages/background/offliner.h
index 5a253f659c5d351733b2e8262326bd660f4f58e7..8145cc8dadf7c924d76a65acf1d51286c010b4bb 100644
--- a/components/offline_pages/background/offliner.h
+++ b/components/offline_pages/background/offliner.h
@@ -25,7 +25,7 @@ class Offliner {
 
   // Reports the completion status of a request.
   // TODO(dougarnett): consider passing back a request id instead of request.
-  typedef base::Callback<void(const SavePageRequest& request, CompletionStatus)>
+  typedef base::Callback<void(const SavePageRequest&, CompletionStatus)>
       CompletionCallback;
 
   Offliner() {}