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

chrome/renderer/chrome_content_renderer_client.h

Index: chrome/renderer/chrome_content_renderer_client.h
diff --git a/chrome/renderer/chrome_content_renderer_client.h b/chrome/renderer/chrome_content_renderer_client.h
index bf66a736c990e7d0797f5ff4ad6b38bdfa2c71e6..0d59d14ba9f147a7662dab58188c7843b758a208 100644
--- a/chrome/renderer/chrome_content_renderer_client.h
+++ b/chrome/renderer/chrome_content_renderer_client.h
@@ -26,6 +26,10 @@ class VisitedLinkSlave;
 
 struct ChromeViewHostMsg_GetPluginInfo_Status;
 
+namespace prerender {
+class PrerenderDispatcher;
+}
+
 namespace safe_browsing {
 class PhishingClassifierFilter;
 }
@@ -159,6 +163,7 @@ class ChromeContentRendererClient : public content::ContentRendererClient {
   scoped_ptr<SpellCheck> spellcheck_;
   scoped_ptr<VisitedLinkSlave> visited_link_slave_;
   scoped_ptr<safe_browsing::PhishingClassifierFilter> phishing_classifier_;
+  scoped_ptr<prerender::PrerenderDispatcher> prerender_dispatcher_;
 
   // Set of origins that can use TCP/UDP private APIs from NaCl.
   std::set<std::string> allowed_socket_origins_;