theres-waldo

Starting point: mozilla-central with https://phabricator.services.mozilla.com/D85296 and dependent patches applied.

First, we make this change to trigger the error.

The relevant part of the error is:

 0:06.54 /home/botond/dev/projects/mozilla/central/dom/system/IOUtils.cpp:204:3: error: no matching function for call to 'InvokeAsync'
 0:06.54   InvokeAsync(
 0:06.54   ^~~~~~~~~~~

theres-waldo

#include <string>
#include <boost/network/protocol/http/client.hpp>

std::string download_file(const std::string& url)
{
    using namespace boost::network;
    using namespace boost::network::http;
    client c;
    client::request r{url};
    auto response = c.get(r);