Remove prerender cookie store, part 4.

net/url_request/url_request_job.cc

Index: net/url_request/url_request_job.cc
diff --git a/net/url_request/url_request_job.cc b/net/url_request/url_request_job.cc
index 6f84babdb67a2e08d70f70857d6868c423002fb8..3757475e955892dbdd9e19471545b429cafc4888 100644
--- a/net/url_request/url_request_job.cc
+++ b/net/url_request/url_request_job.cc
@@ -367,12 +367,6 @@ bool URLRequestJob::CanEnablePrivacyMode() const {
   return request_->CanEnablePrivacyMode();
 }
 
-CookieStore* URLRequestJob::GetCookieStore() const {
-  DCHECK(request_);
-
-  return request_->cookie_store();
-}
-
 void URLRequestJob::NotifyBeforeNetworkStart(bool* defer) {
   if (!request_)
     return;