The problem with our Esri Flex community is that there is very little teamwork between developers and no team versioning done between development efforts, and therefore you saying "Google Street View Widget" can refer to multiple entities written by different people.
Is it this widget: http://www.arcgis.com/home/item.html?id=f069d8a3aa304e29a432b48e5f64ca74 ?
Yes, thats the one.