Correctly set initial visibilityState

lib/renderer/init.js

@@ -47,11 +47,7 @@ electron.ipcRenderer.on('ELECTRON_INTERNAL_RENDERER_ASYNC_WEB_FRAME_METHOD', (ev
 // Process command line arguments.
 var nodeIntegration = 'false'
 var preloadScript = null
-
-var ref = process.argv
-var i, len, arg
-for (i = 0, len = ref.length; i < len; i++) {
-  arg = ref[i]
+for (let arg of process.argv) {
   if (arg.indexOf('--guest-instance-id=') === 0) {
     // This is a guest web view.
     process.guestInstanceId = parseInt(arg.substr(arg.indexOf('=') + 1))
@@ -62,6 +58,8 @@ for (i = 0, len = ref.length; i < len; i++) {
     nodeIntegration = arg.substr(arg.indexOf('=') + 1)
   } else if (arg.indexOf('--preload=') === 0) {
     preloadScript = arg.substr(arg.indexOf('=') + 1)
+  } else if (arg.indexOf('--visibility-state=') === 0) {
+    process.visibilityState = arg.substr(arg.indexOf('=') + 1)
   }
 }
 

lib/renderer/override.js

@@ -5,7 +5,6 @@ const remote = require('electron').remote
 
 // Helper function to resolve relative url.
 var a = window.top.document.createElement('a')
-
 var resolveURL = function (url) {
   a.href = url
   return a.href
@@ -160,8 +159,6 @@ window.alert = function (message, title) {
     title: title,
     buttons: buttons
   })
-
-// Alert should always return undefined.
 }
 
 // And the confirm().
@@ -227,8 +224,13 @@ Object.defineProperty(window.history, 'length', {
   }
 })
 
+// The initial visibilityState.
+let cachedVisibilityState = 'visible'
+if (process.visibilityState) {
+  cachedVisibilityState = process.visibilityState
+}
+
 // Subscribe to visibilityState changes.
-let cachedVisibilityState = 'hidden'
 ipcRenderer.on('ELECTRON_RENDERER_WINDOW_VISIBILITY_CHANGE', function (event, visibilityState) {
   if (cachedVisibilityState != visibilityState) {
     cachedVisibilityState = visibilityState