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

net/base/network_delegate.cc

Index: net/base/network_delegate.cc
diff --git a/net/base/network_delegate.cc b/net/base/network_delegate.cc
index 87ecf39eb3076ebbc55134dab882ef3cb5e6f7b6..f0a5c6b332fc4fa2ce4a0881229c7c4f5dc59001 100644
--- a/net/base/network_delegate.cc
+++ b/net/base/network_delegate.cc
@@ -90,4 +90,19 @@ NetworkDelegate::AuthRequiredResponse NetworkDelegate::NotifyAuthRequired(
   return OnAuthRequired(request, auth_info, callback, credentials);
 }
 
+bool NetworkDelegate::NotifyReadingCookies(
+    const URLRequest* request,
+    const CookieList& cookie_list) {
+  DCHECK(CalledOnValidThread());
+  return OnReadingCookies(request, cookie_list);
+}
+
+bool NetworkDelegate::NotifySettingCookie(
+    const URLRequest* request,
+    const std::string& cookie_line,
+    CookieOptions* options) {
+  DCHECK(CalledOnValidThread());
+  return OnSettingCookie(request, cookie_line, options);
+}
+
 }  // namespace net