Google is phasing out the use of flash as part of their plan to remove it from the internet completely. In their newest edition flash is turned off by default.
This guide will show you how to enabled it again so you will be able to see the livestream again.
Click on the menu button in the top right to access the menu.
In the menu click on "Settings".
In the next window scroll down a bit and click on "Show advanced settings..."
Scroll down a bit and click on "Content settings..." under Privacy.
In the following screen scroll down a bit and check "Ask first before allowing sites to run Flash (recommended).
Click "Done" and leave the menu. Once you reload the website the livestream should work again.