Update storage in auth sample (#750)

Author: fhinkel

auth/auth.js

@@ -23,7 +23,7 @@
 function authCloudImplicit () {
  // [START auth_cloud_implicit]
  // Imports the Google Cloud client library.
- const Storage = require('@google-cloud/storage');
+ const {Storage} = require('@google-cloud/storage');
 
  // Instantiates a client. If you don't specify credentials when constructing
  // the client, the client library will look for credentials in the
@@ -50,12 +50,13 @@ function authCloudImplicit () {
 function authCloudExplicit () {
  // [START auth_cloud_explicit]
  // Imports the Google Cloud client library.
- const Storage = require('@google-cloud/storage');
+ const {Storage} = require('@google-cloud/storage');
 
  // Instantiates a client. Explicitly use service account credentials by
  // specifying the private key file. All clients in google-cloud-node have this
  // helper, see https://github.com/GoogleCloudPlatform/google-cloud-node/blob/master/docs/authentication.md
  const storage = new Storage({
+ projectId: 'project-id',
  keyFilename: '/path/to/keyfile.json'
  });
 

auth/package.json

@@ -17,7 +17,7 @@
  "test": "repo-tools test run --cmd ava -- -T 20s --verbose system-test/*.test.js"
  },
  "dependencies": {
- "@google-cloud/storage": "1.6.0",
+ "@google-cloud/storage": "^2.0.3",
  "yargs": "11.0.0"
  },
  "devDependencies": {