Have "httpinvoke-browser.js:762 Refused to get unsafe header 'Content-Length'" error in client side when calling geocode api

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Here is an api I've used in client side. https://maps.googleapis.com/maps/api/geocode/json?address=3000%20E%20PLANO%20PKWY%20,%20PLANO

Do I need to add specific headers for this call? I used outputType and converters only.