Do cookie checks in NetworkDelegate instead of the URLRequest::Delegate.

chrome/browser/component_updater/component_updater_service.cc

Index: chrome/browser/component_updater/component_updater_service.cc
diff --git a/chrome/browser/component_updater/component_updater_service.cc b/chrome/browser/component_updater/component_updater_service.cc
index 0c090cce9b9c7e6bc578ffd837395a09b899a334..1e741f7f012017787c796995490859a0c9c3b645 100644
--- a/chrome/browser/component_updater/component_updater_service.cc
+++ b/chrome/browser/component_updater/component_updater_service.cc
@@ -28,6 +28,7 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/utility_process_host.h"
 #include "content/public/browser/utility_process_host_client.h"
+#include "content/public/common/content_url_request_user_data.h"
 #include "content/public/common/url_fetcher_delegate.h"
 #include "content/public/common/url_fetcher.h"
 #include "googleurl/src/gurl.h"
@@ -139,6 +140,9 @@ void StartFetch(content::URLFetcher* fetcher,
                 net::URLRequestContextGetter* context_getter,
                 bool save_to_file) {
   fetcher->SetRequestContext(context_getter);
+  // No user data, as the request will be cookie-less.
+  fetcher->SetContentURLRequestUserData(
+      new content::ContentURLRequestUserData());
   fetcher->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                         net::LOAD_DO_NOT_SAVE_COOKIES |
                         net::LOAD_DISABLE_CACHE);