[Offline Pages] Snapshotting on timeout of last retry.

chrome/browser/android/offline_pages/prerendering_offliner.h

Index: chrome/browser/android/offline_pages/prerendering_offliner.h
diff --git a/chrome/browser/android/offline_pages/prerendering_offliner.h b/chrome/browser/android/offline_pages/prerendering_offliner.h
index 45eca74c5270792822dd410b0433ee1ee0b222e6..d88f50adacaafe9e16b4aa5efb76058a8210052d 100644
--- a/chrome/browser/android/offline_pages/prerendering_offliner.h
+++ b/chrome/browser/android/offline_pages/prerendering_offliner.h
@@ -37,6 +37,7 @@ class PrerenderingOffliner : public Offliner {
   bool LoadAndSave(const SavePageRequest& request,
                    const CompletionCallback& callback) override;
   void Cancel() override;
+  bool HandleTimeout(const SavePageRequest& request) override;
 
   // Allows a loader to be injected for testing. This may only be done once
   // and must be called before any of the Offliner interface methods are called.
@@ -76,6 +77,8 @@ class PrerenderingOffliner : public Offliner {
   // Not owned.
   content::BrowserContext* browser_context_;
   // Not owned.
+  const OfflinerPolicy* policy_;
+  // Not owned.
   OfflinePageModel* offline_page_model_;
   // Lazily created.
   std::unique_ptr<PrerenderingLoader> loader_;