fixup! enable_file_url_support and enable_data_url_support have been removed

atom/browser/io_thread.cc

@@ -40,6 +40,9 @@ void IOThread::Init() {
     std::unique_ptr<network::URLRequestContextBuilderMojo> builder =
         std::make_unique<network::URLRequestContextBuilderMojo>();
 
+    // Enable file:// support.
+    builder->set_file_enabled(true);
+
     auto cert_verifier = std::make_unique<net::CachingCertVerifier>(
         std::make_unique<net::MultiThreadedCertVerifier>(
             net::CertVerifyProc::CreateDefault()));