// Performs a synchronous HTTP request. This blocks and therefore should
// only be used from background threads.
void httpfetch_sync(const HTTPFetchRequest &fetch_request, HTTPFetchResult &fetch_result);
// Performs a synchronous HTTP request. This blocks and therefore should
// only be used from background threads.
void httpfetch_sync(const HTTPFetchRequest &fetch_request, HTTPFetchResult &fetch_result);