Prerendered pages are swapped in at browser::Navigate time.

chrome/browser/prerender/prerender_tab_helper.h

Index: chrome/browser/prerender/prerender_tab_helper.h
diff --git a/chrome/browser/prerender/prerender_tab_helper.h b/chrome/browser/prerender/prerender_tab_helper.h
index b9375069a009e5a6a7c83ada532ceca4f496faf7..4c230561f43a37c4e8c124db4b6f5c4683696e5a 100644
--- a/chrome/browser/prerender/prerender_tab_helper.h
+++ b/chrome/browser/prerender/prerender_tab_helper.h
@@ -47,12 +47,6 @@ class PrerenderTabHelper : public content::WebContentsObserver {
   // Retrieves the PrerenderManager, or NULL, if none was found.
   PrerenderManager* MaybeGetPrerenderManager() const;
 
-  // Checks with the PrerenderManager if the specified URL has been preloaded,
-  // and if so, swap the RenderViewHost with the preload into this TabContents
-  // object. |opener_url| denotes the window.opener url that is set for this
-  // tab and is empty if there is no opener set.
-  bool MaybeUsePrerenderedPage(const GURL& url, const GURL& opener_url);
-
   // Returns whether the TabContents being observed is currently prerendering.
   bool IsPrerendering();