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

chrome/browser/google/google_url_tracker.cc

Index: chrome/browser/google/google_url_tracker.cc
diff --git a/chrome/browser/google/google_url_tracker.cc b/chrome/browser/google/google_url_tracker.cc
index dd2da73022be1a76c72ef400010fc901769d254b..832bc338b153c0e7d9a37c53ec2785241d8275dc 100644
--- a/chrome/browser/google/google_url_tracker.cc
+++ b/chrome/browser/google/google_url_tracker.cc
@@ -24,6 +24,7 @@
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/content_url_request_user_data.h"
 #include "content/public/common/url_fetcher.h"
 #include "grit/generated_resources.h"
 #include "net/base/load_flags.h"
@@ -225,6 +226,9 @@ void GoogleURLTracker::StartFetchIfDesirable() {
   fetcher_->SetLoadFlags(net::LOAD_DISABLE_CACHE |
                          net::LOAD_DO_NOT_SAVE_COOKIES);
   fetcher_->SetRequestContext(g_browser_process->system_request_context());
+  // TODO(jochen): Do cookie audit.
+  fetcher_->SetContentURLRequestUserData(
+      new content::ContentURLRequestUserData());
 
   // Configure to max_retries at most kMaxRetries times for 5xx errors.
   static const int kMaxRetries = 5;