old_contents: /* See license.txt for terms of usage */
  
  "use strict";
  
  /**
   * This file is specified as the 'main' module in package.json
   * MDN: https://developer.mozilla.org/en-US/Add-ons/SDK/Tools/package_json
   */
  let FBTrace = require("./core/trace.js").FBTrace;
  let { main, Loader, override } = require("toolkit/loader");
  
  // Get default loader options and create one new 'FBTrace' global,
  // so it's automatically available in every loaded module.
  // Note that FBTrace global should be used for debugging purposes only.
  let options = require("@loader/options");
  
  let defaultGlobals = override(require("sdk/system/globals"), {
    FBTrace: FBTrace
  });
  
  options = override(options, {
    globals: defaultGlobals,
  
    // See also: https://bugzilla.mozilla.org/show_bug.cgi?id=1123268
    modules: override(options.modules || {}, {
     "sdk/addon/window": require("sdk/addon/window")
    })
  });
  
  // Create custom loader with modified options.
  let loader = Loader(options);
  let program = main(loader, "./lib/main.js");
  
  // Exports from this module
  exports.main = program.main;
  exports.onUnload = program.onUnload;
  
new_contents: /* See license.txt for terms of usage */
  
  "use strict";
  
  /**
   * This file is specified as the 'main' module in package.json
   * MDN: https://developer.mozilla.org/en-US/Add-ons/SDK/Tools/package_json
   */
  let FBTrace = require("./lib/core/trace.js").FBTrace;
  let { main, Loader, override } = require("toolkit/loader");
  
  // Get default loader options and create one new 'FBTrace' global,
  // so it's automatically available in every loaded module.
  // Note that FBTrace global should be used for debugging purposes only.
  let options = require("@loader/options");
  
  let defaultGlobals = override(require("sdk/system/globals"), {
    FBTrace: FBTrace
  });
  
  options = override(options, {
    globals: defaultGlobals,
  
    // See also: https://bugzilla.mozilla.org/show_bug.cgi?id=1123268
    modules: override(options.modules || {}, {
     "sdk/addon/window": require("sdk/addon/window")
    })
  });
  
  // Create custom loader with modified options.
  let loader = Loader(options);
  let program = main(loader, "./lib/main.js");
  
  // Exports from this module
  exports.main = program.main;
  exports.onUnload = program.onUnload;
  
subject: Fix module path