Google OAuth2 v3 userinfo (https://www.googleapis.com/oauth2/v3/userinfo)

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Important: Make sure the OAuth2 access token included "profile" in the list of scopes.

var success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// It is assumed we previously obtained an OAuth2 access token.
// This example loads the JSON access token file 
// originally obtained by this example: Get Google People API OAuth2 Access Token
// or refreshed by this example: Refresh Google People API OAuth2 Access Token

var jsonToken = new CkJsonObject();
success = jsonToken.LoadFile("qa_data/tokens/googlePeople.json");
if (success !== true) {
    console.log("Failed to load googleContacts.json");
    return;
}

var http = new CkHttp();

// -------------------------------------------------------------------------------------
// Make sure the access token was obtained with "profile" included in the list of scopes.
// -------------------------------------------------------------------------------------
http.AuthToken = jsonToken.StringOf("access_token");

var sbResponseBody = new CkStringBuilder();
success = http.QuickGetSb("https://www.googleapis.com/oauth2/v3/userinfo",sbResponseBody);
if (success == false) {
    console.log(http.LastErrorText);
    console.log(sbResponseBody.GetAsString());
    return;
}

// Sample JSON Response

var json = new CkJsonObject();
json.EmitCompact = false;
json.Load(sbResponseBody.GetAsString());
console.log(json.Emit());

// Sample response:

// {
//   "sub": "119999690625687999964",
//   "name": "Matt",
//   "given_name": "Matt",
//   "picture": "https://lh3.googleusercontent.com/-b4...eg3Zjo/AAAAAAAAAAI/AAAAAAAAAAA/AMZuu....3RpdA/s96-c/photo.jpg",
//   "locale": "en"
// }
//