Called on the IO thread before a resource request is sent. The |browser|
and |frame| values represent the source of the request, and may be NULL
for requests originating from service workers or cef_urlrequest_t.
|request| cannot be modified in this callback. Return true (1) if the
specified cookie can be sent with the request or false (0) otherwise.
Called on the IO thread before a resource request is sent. The |browser| and |frame| values represent the source of the request, and may be NULL for requests originating from service workers or cef_urlrequest_t. |request| cannot be modified in this callback. Return true (1) if the specified cookie can be sent with the request or false (0) otherwise.