Update entry page type to include error pages when appropriate.

chrome/browser/prerender/prerender_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/prerender/prerender_manager.h"
 
 #include <algorithm>
 #include <functional>
 #include <string>
 #include <vector>
@@ skipping 1092 matching lines @@
   // the URL being attempted to be swapped in. That's because in the normal
   // flow, a ProvisionalChangeToMainFrameUrl will happen for the URL attempted
   // to be swapped in immediately after the pending swap has issued its merge.
   if (url != url_)
     prerender_data_->ClearPendingSwap();
 }
 
 void PrerenderManager::PendingSwap::DidCommitProvisionalLoadForFrame(
     content::RenderFrameHost* render_frame_host,
     const GURL& validated_url,
+    bool url_is_unreachable,
     ui::PageTransition transition_type) {
   if (render_frame_host->GetParent())
     return;
   prerender_data_->ClearPendingSwap();
 }
 
 void PrerenderManager::PendingSwap::DidFailProvisionalLoad(
     content::RenderFrameHost* render_frame_host,
     const GURL& validated_url,
     int error_code,
@@ skipping 765 matching lines @@
     content::RenderProcessHost* host) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   prerender_process_hosts_.erase(host);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&PrerenderTracker::RemovePrerenderCookieStoreOnIOThread,
                  base::Unretained(prerender_tracker()), host->GetID(), false));
 }
 
 }  // namespace prerender