chore: upgrade to Node.js v14.9.0 (#25249)

spec/ts-smoke/electron/main.ts

@@ -1068,21 +1068,19 @@ shell.writeShortcutLink('/home/user/Desktop/shortcut.lnk', 'update', shell.readS
 // cookies
 // https://github.com/electron/electron/blob/master/docs/api/cookies.md
 {
-  const { session } = require('electron')
-
   // Query all cookies.
   session.defaultSession.cookies.get({})
-    .then((cookies) => {
+    .then(cookies => {
       console.log(cookies)
-    }).catch((error) => {
+    }).catch((error: Error) => {
       console.log(error)
     })
 
   // Query all cookies associated with a specific url.
   session.defaultSession.cookies.get({ url: 'http://www.github.com' })
-    .then((cookies) => {
+    .then(cookies => {
       console.log(cookies)
-    }).catch((error) => {
+    }).catch((error: Error) => {
       console.log(error)
     })
 
@@ -1092,7 +1090,7 @@ shell.writeShortcutLink('/home/user/Desktop/shortcut.lnk', 'update', shell.readS
   session.defaultSession.cookies.set(cookie)
     .then(() => {
       // success
-    }, (error) => {
+    }, (error: Error) => {
       console.error(error)
     })
 }

spec/ts-smoke/electron/renderer.ts

@@ -1,5 +1,6 @@
 
 import {
+  desktopCapturer,
   ipcRenderer,
   remote,
   webFrame,
@@ -33,16 +34,16 @@ remote.getCurrentWindow().on('close', () => {
   // blabla...
 })
 
-remote.getCurrentWindow().capturePage().then(buf => {
-  fs.writeFile('/tmp/screenshot.png', buf, err => {
+remote.getCurrentWindow().capturePage().then(image => {
+  fs.writeFile('/tmp/screenshot.png', image.toBitmap(), err => {
     console.log(err)
   })
 })
 
 remote.getCurrentWebContents().print()
 
-remote.getCurrentWindow().capturePage().then(buf => {
-  remote.require('fs').writeFile('/tmp/screenshot.png', buf, (err: Error) => {
+remote.getCurrentWindow().capturePage().then(image => {
+  remote.require('fs').writeFile('/tmp/screenshot.png', image.toBitmap(), (err: Error) => {
     console.log(err)
   })
 })
@@ -107,8 +108,6 @@ crashReporter.start({
 // desktopCapturer
 // https://github.com/electron/electron/blob/master/docs/api/desktop-capturer.md
 
-const desktopCapturer = require('electron').desktopCapturer
-
 desktopCapturer.getSources({ types: ['window', 'screen'] }).then(sources => {
   for (let i = 0; i < sources.length; ++i) {
     if (sources[i].name == 'Electron') {