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

chrome/browser/extensions/extension_updater.cc

Index: chrome/browser/extensions/extension_updater.cc
diff --git a/chrome/browser/extensions/extension_updater.cc b/chrome/browser/extensions/extension_updater.cc
index 04f5c293ec6bc4f073a4a08fd55bda94bdec6610..c5d92223e04a7c4c7c096d4106bbbb4324f2d8ab 100644
--- a/chrome/browser/extensions/extension_updater.cc
+++ b/chrome/browser/extensions/extension_updater.cc
@@ -40,6 +40,7 @@
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/utility_process_host.h"
+#include "content/public/common/content_url_request_user_data.h"
 #include "content/public/common/url_fetcher.h"
 #include "crypto/sha2.h"
 #include "googleurl/src/gurl.h"
@@ -1226,6 +1227,9 @@ void ExtensionUpdater::StartUpdateCheck(ManifestFetchData* fetch_data) {
         kManifestFetcherId, fetch_data->full_url(), content::URLFetcher::GET,
         this));
     manifest_fetcher_->SetRequestContext(profile_->GetRequestContext());
+    // No user data, as the request will be cookie-less.
+    manifest_fetcher_->SetContentURLRequestUserData(
+        new content::ContentURLRequestUserData());
     manifest_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                                     net::LOAD_DO_NOT_SAVE_COOKIES |
                                     net::LOAD_DISABLE_CACHE);
@@ -1254,6 +1258,9 @@ void ExtensionUpdater::FetchUpdatedExtension(const std::string& id,
         kExtensionFetcherId, url, content::URLFetcher::GET, this));
     extension_fetcher_->SetRequestContext(
         profile_->GetRequestContext());
+    // No user data, as the request will be cookie-less.
+    extension_fetcher_->SetContentURLRequestUserData(
+        new content::ContentURLRequestUserData());
     extension_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                                      net::LOAD_DO_NOT_SAVE_COOKIES |
                                      net::LOAD_DISABLE_CACHE);