Add Google APIs Client Library for JavaScript in Chrome Extension

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Javascript

extension

API

chrome

Hi,

I am trying to use Google APIs Client Library to develop a Chrome Extension. The problems is that I cannot inject this script in background page to access the API:

<script src="https://apis.google.com/js/client.js?onload=handleClientLoad"></script>

Debug in Chrome throw an error:

Refused to load the script 'https://apis.google.com/js/client.js?onload=handleClientLoad' because it violates the following Content Security Policy directive: "script-src 'self' chrome-extension-resource:".

which is mentioned in this page[^]. Therefore, only local script and and object resources are loaded.
I tried to download the client.js file and include it in my package but it didn't help at all.
Is there any solution for this problem?
I am using manifest version 2.