This code is use for upload file for own Google drive. their must be change 

developerKey,
clientId,
appId.

 // The Browser API key obtained from the Google API Console.
    // Replace with your own Browser API key, or your own key.
    var developerKey = 'xxxxxxxxxxxxxxxxxxxxxx';

    // The Client ID obtained from the Google API Console. Replace with your own Client ID.
    var clientId = "633688888907-xxxxxxxxxxxxxxxxxxxxxxx.apps.googleusercontent.com"

    // Replace with your own project number from console.developers.google.com.
    // See "Project number" under "IAM & Admin" > "Settings"
    var appId = "63388888907";