Pass rendering state on swapping in a prerendered page.

chrome/browser/prerender/prerender_manager.cc

Index: chrome/browser/prerender/prerender_manager.cc
diff --git a/chrome/browser/prerender/prerender_manager.cc b/chrome/browser/prerender/prerender_manager.cc
index 7c7e27d69d2b718a7503180b1823395002d8dce8..c929cd7f28c6e06dcf480262990f8d4addb9b035 100644
--- a/chrome/browser/prerender/prerender_manager.cc
+++ b/chrome/browser/prerender/prerender_manager.cc
@@ -633,7 +633,9 @@ WebContents* PrerenderManager::SwapInternal(
       &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,
+                      prerender_contents->has_finished_loading());
   prerender_contents->CommitHistory(new_web_contents);
 
   GURL icon_url = prerender_contents->icon_url();