Remove prerender cookie store, part 4.

net/url_request/url_request_context.h

Index: net/url_request/url_request_context.h
diff --git a/net/url_request/url_request_context.h b/net/url_request/url_request_context.h
index fc0709804c385059d3b339ce83934e59e826445f..ad6107310cfd7a4d00aedce9ced2ebc967b51951 100644
--- a/net/url_request/url_request_context.h
+++ b/net/url_request/url_request_context.h
@@ -60,12 +60,9 @@ class NET_EXPORT URLRequestContext
   // May return NULL if this context doesn't have an associated network session.
   const HttpNetworkSession::Params* GetNetworkSessionParams() const;
 
-  // Creates a URLRequest. If |cookie_store| is non-NULL, it will be used
-  // instead of the context's cookie store.
   scoped_ptr<URLRequest> CreateRequest(const GURL& url,
                                        RequestPriority priority,
-                                       URLRequest::Delegate* delegate,
-                                       CookieStore* cookie_store) const;
+                                       URLRequest::Delegate* delegate) const;
 
   NetLog* net_log() const {
     return net_log_;