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DOMException: Blocked a frame with origin "http://localhost" from accessing a cross-origin frame

I have found the tutorial to login with Google account API in Asp.net MVC - 5.

https://tutorialslink.com/Articles/How-to-login-with-Google-account-API-in-Aspnet-MVC---5/18

By using same concept I am trying to do below things

To achieve the above steps, my source code (WebApp1) as par below.

var REDIRECT = "http://localhost/Home/Test";
var webApp2 = window.open("WebApp2Url", "CrossDomain", '', true);
var pollTimer = window.setInterval(function () {
try {
    if (webApp2.document.URL.indexOf(REDIRECT) != -1) {
    window.clearInterval(pollTimer);
    // logic to retrieve data from webApp2.document.URL
    webApp2.close();
    debugger;
catch (e) {
}, 500);
I am getting below error at code line 
[if (webApp2.document.URL.indexOf(REDIRECT) != -1) {]
  
DOMException: Blocked a frame with origin "http://localhost" from
  accessing a cross-origin frame.
Please any one can guide me to resolve above error.
I have tried with enabling CORS in WebApp2 but it didn't work.
Any idea to design WebApp2 is highly welcome.
I have got the work around for the same.
In my WebApp2 After finishing with processing I am redirect control to my WebApp1 i.e to domain1.
Reference: 
How do I get around window.opener cross-domain security
        
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