Allows prerendering to continue for offline requests even if the url was recently visited.

chrome/browser/prerender/prerender_contents.cc

Index: chrome/browser/prerender/prerender_contents.cc
diff --git a/chrome/browser/prerender/prerender_contents.cc b/chrome/browser/prerender/prerender_contents.cc
index a8eaeb8f313d58aaf68b4117660ccd522ae9a161..4ded1cb58613800c9ce874d741aef061fbf84c77 100644
--- a/chrome/browser/prerender/prerender_contents.cc
+++ b/chrome/browser/prerender/prerender_contents.cc
@@ -502,7 +502,8 @@ bool PrerenderContents::CheckURL(const GURL& url) {
     Destroy(FINAL_STATUS_UNSUPPORTED_SCHEME);
     return false;
   }
-  if (prerender_manager_->HasRecentlyBeenNavigatedTo(origin(), url)) {
+  if (origin() != ORIGIN_OFFLINE &&
+      prerender_manager_->HasRecentlyBeenNavigatedTo(origin(), url)) {
     Destroy(FINAL_STATUS_RECENTLY_VISITED);
     return false;
   }