For prerendering, keep track of all the intermediate redirects, and hook into...

chrome/browser/prerender/prerender_resource_handler.cc

Index: chrome/browser/prerender/prerender_resource_handler.cc
===================================================================
--- chrome/browser/prerender/prerender_resource_handler.cc	(revision 71703)
+++ chrome/browser/prerender/prerender_resource_handler.cc	(working copy)
@@ -100,8 +100,10 @@
                                                    bool* defer) {
   bool will_redirect = next_handler_->OnRequestRedirected(
       request_id, url, response, defer);
-  if (will_redirect)
+  if (will_redirect) {
+    alias_urls_.push_back(url);
     url_ = url;
+  }
   return will_redirect;
 }
 
@@ -117,7 +119,8 @@
         NewRunnableMethod(
             this,
             &PrerenderResourceHandler::RunCallbackFromUIThread,
-            url_));
+            url_,
+            alias_urls_));
   }
   return next_handler_->OnResponseStarted(request_id, response);
 }
@@ -126,8 +129,10 @@
                                            const GURL& url,
                                            bool* defer) {
   bool will_start = next_handler_->OnWillStart(request_id, url, defer);
-  if (will_start)
+  if (will_start) {
+    alias_urls_.push_back(url);
     url_ = url;
+  }
   return will_start;
 }
 
@@ -154,14 +159,18 @@
   next_handler_->OnRequestClosed();
 }
 
-void PrerenderResourceHandler::RunCallbackFromUIThread(const GURL& url) {
+void PrerenderResourceHandler::RunCallbackFromUIThread(const GURL& url,
+                                                       const std::vector<GURL>&
+                                                       alias_urls) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  prerender_callback_->Run(url);
+  prerender_callback_->Run(url, alias_urls);
 }
 
-void PrerenderResourceHandler::StartPrerender(const GURL& url) {
+void PrerenderResourceHandler::StartPrerender(const GURL& url,
+                                              const std::vector<GURL>&
+                                              alias_urls) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  prerender_manager_->AddPreload(url);
+  prerender_manager_->AddPreload(url, alias_urls);
 }
 
 void PrerenderResourceHandler::set_prerender_duration(base::TimeDelta dt) {