Pass rendering state on swapping in a prerendered page.

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 615 matching lines @@
   DCHECK(new_web_contents);
   DCHECK(old_web_contents);
 
   MarkWebContentsAsPrerendered(new_web_contents, prerender_contents->origin());
 
   // Merge the browsing history.
   new_web_contents->GetController().CopyStateFromAndPrune(
       &old_web_contents->GetController(),
       should_replace_current_entry);
   CoreTabHelper::FromWebContents(old_web_contents)->delegate()->
-      SwapTabContents(old_web_contents, new_web_contents);
+      SwapTabContents(old_web_contents,
+                      new_web_contents,
+                      true,
+                      prerender_contents->has_finished_loading());
   prerender_contents->CommitHistory(new_web_contents);
 
   GURL icon_url = prerender_contents->icon_url();
 
   if (!icon_url.is_empty()) {
 #if defined(OS_ANDROID)
     // Do the delayed icon fetch since we didn't download
     // the favicon during prerendering on mobile devices.
     FaviconTabHelper * favicon_tap_helper =
         FaviconTabHelper::FromWebContents(new_web_contents);
@@ skipping 1272 matching lines @@
     Origin origin,
     uint8 experiment_id,
     CancelableRequestProvider::Handle handle,
     bool success,
     const history::URLRow* url_row,
     history::VisitVector* visists) {
   histograms_->RecordPrerenderPageVisitedStatus(origin, experiment_id, success);
 }
 
 }  // namespace prerender