BREAKING CHANGE:chore: update menu.popup() API

sync menu.popup signature to breaking change in Electron 2.0

Author: ckerr

test-smoke/electron/test/main.ts

@@ -568,7 +568,7 @@ menu.insert(0, menuItem);
 console.log(menu.items);
 
 const pos = screen.getCursorScreenPoint();
-menu.popup(null, {x: pos.x, y: pos.y});
+menu.popup({x: pos.x, y: pos.y});
 
 // main.js
 const template = <Electron.MenuItemConstructorOptions[]> [

vendor/fetch-docs.js

@@ -7,7 +7,7 @@ const mkdirp = require('mkdirp').sync
 const os = require('os')
 
 const downloadPath = path.join(os.tmpdir(), 'electron-api-tmp')
-const ELECTRON_COMMIT = 'f469059e9059aa0bda756022deb53322688dac29'
+const ELECTRON_COMMIT = '35e90f742b8a2f1006157da2a9f394cd055aff74'
 
 rm(downloadPath)