iitc-plugin-giantseyes.user.js

// ==UserScript==
// @id             iitc-plugin-basemap-gmaps-giantseyes@marcg
// @name           IITC plugin: GiantsEyes Google Roads
// @category       Map Tiles
// @version        0.1.0.0
// @namespace      https://github.com/jonatkins/ingress-intel-total-conversion
// @description    Port of iitc RecognEyes Theme
// @include        https://www.ingress.com/intel*
// @include        http://www.ingress.com/intel*
// @include        https://intel.ingress.com/*
// @match          https://intel.ingress.com/*
// @include        https://www.ingress.com/mission/*
// @include        http://www.ingress.com/mission/*
// @match          https://www.ingress.com/mission/*
// @match          http://www.ingress.com/mission/*
// @grant          none
// ==/UserScript==


function wrapper(plugin_info) {
// ensure plugin framework is there, even if iitc is not yet loaded
if(typeof window.plugin !== 'function') window.plugin = function() {};

// PLUGIN START ////////////////////////////////////////////////////////

// use own namespace for plugin
window.plugin.reGMaps = function() {};
window.plugin.reGMaps.addLayer = function() {
  var reGMapsOptions = {
    type: 'roadmap',
    maxZoom: 21,
    backgroundColor: '#0e3d4e', //or #dddddd ? - that's the Google tile layer default
    styles: [
  {
    "featureType": "landscape",
    "stylers": [
      { "color": "#101020" }
    ]
  },{
    "featureType": "poi",
    "stylers": [
      { "visibility": "off" }
    ]
  },{
    "featureType": "road.local",
    "elementType": "labels",
    "stylers": [
      { "visibility": "off" }
    ]
  },{
    "elementType": "labels.icon",
    "stylers": [
      { "visibility": "off" }
    ]
  },{
    "featureType": "administrative.land_parcel",
    "stylers": [
      { "visibility": "off" }
    ]
  },{
    "featureType": "road.highway",
    "elementType": "geometry.fill",
    "stylers": [
      { "color": "#fe8d63" }
    ]
  },{
    "featureType": "road.highway",
    "elementType": "geometry.stroke",
    "stylers": [
      { "color": "#006080" }
    ]
  },{
    "featureType": "road.arterial",
    "elementType": "geometry",
    "stylers": [
      { "visibility": "simplified" },
      { "color": "#ff9966" },
      { "lightness": -44 }
    ]
  },{
    "featureType": "road.local",
    "stylers": [
      { "weight": 0.2 },
      { "color": "#202030" },
      { "lightness": 44 }
    ]
  },{
    "featureType": "water",
    "stylers": [
      { "color": "#66aacc" }
    ]
  },{
    "elementType": "labels.text",
    "stylers": [
      { "visibility": "simplified" },
      { "color": "#0000FF" },
      { "lightness": 48 },
      { "saturation": 85 },
      { "gamma": 1.87 }
    ]
  },{
    "featureType": "road.local",
    "elementType": "labels",
    "stylers": [
      { "visibility": "off" }
    ]
  },{
    "featureType": "transit",
    "stylers": [
      { "visibility": "off" }
    ]
  }
]
  };

  var reGMaps = new L.gridLayer.googleMutant(reGMapsOptions);
  layerChooser.addBaseLayer(reGMaps, "GiantsEyes");
};

var setup =  window.plugin.reGMaps.addLayer;
	
// PLUGIN END //////////////////////////////////////////////////////////


setup.info = plugin_info; //add the script info data to the function as a property
if(!window.bootPlugins) window.bootPlugins = [];
window.bootPlugins.push(setup);
// if IITC has already booted, immediately run the 'setup' function
if(window.iitcLoaded && typeof setup === 'function') setup();
} // wrapper end
// inject code into site context
var script = document.createElement('script');
var info = {};
if (typeof GM_info !== 'undefined' && GM_info && GM_info.script) info.script = { version: GM_info.script.version, name: GM_info.script.name, description: GM_info.script.description };
script.appendChild(document.createTextNode('('+ wrapper +')('+JSON.stringify(info)+');'));
(document.body || document.head || document.documentElement).appendChild(script);

Updated to see what it looks like, I don't like it but reshared.