Remove calls of PrerenderTracker::TryCancel and TryCancelOnIOThread in ChromeResourceDispatcherHost…

chrome/browser/ui/login/login_prompt.cc

Index: chrome/browser/ui/login/login_prompt.cc
===================================================================
--- chrome/browser/ui/login/login_prompt.cc	(revision 242921)
+++ chrome/browser/ui/login/login_prompt.cc	(working copy)
@@ -12,6 +12,9 @@
 #include "base/synchronization/lock.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/password_manager/password_manager.h"
+#include "chrome/browser/prerender/prerender_manager.h"
+#include "chrome/browser/prerender/prerender_manager_factory.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_registrar.h"
@@ -427,6 +430,19 @@
     return;
   }
 
+  prerender::PrerenderManager* prerender_manager =
+      prerender::PrerenderManagerFactory::GetForProfile(
+          Profile::FromBrowserContext(parent_contents->GetBrowserContext()));
+  if (prerender_manager) {
+    prerender::PrerenderContents* prerender_contents =
+        prerender_manager->GetPrerenderContents(parent_contents);
+    if (prerender_contents) {
+      prerender_contents->Destroy(
+          prerender::FINAL_STATUS_AUTH_NEEDED);
+      return;
+    }
+  }
+
   PasswordManager* password_manager =
       PasswordManager::FromWebContents(parent_contents);
   if (!password_manager) {