A regression repro for Electron v0.34.1 and above ignoring proxy settings

electron_socks5_repro.js

var app = require('app');
var BrowserWindow = require('browser-window');

require('crash-reporter').start();

var mainWindow = null;

app.on('window-all-closed', function () {
    if (process.platform != 'darwin') {
        app.quit();
    }
});

app.on('ready', function () {
    mainWindow = new BrowserWindow({width: 1024, height: 768});

    mainWindow.webContents.session.setProxy('socks5://23.28.195.172:10200', function () {
        mainWindow.loadUrl('http://whatismyipaddress.com');
    });

    mainWindow.on('closed', function () {
        mainWindow = null;
    });
});