1. add key

wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | sudo apt-key add - 

2.set repository

sudo sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list' 

3. instll package

sudo apt-get update 
sudo apt-get install google-chrome-stable

sudo add-apt-repository ppa:mc3man/trusty-media
sudo apt-get update
sudo apt-get install vlc vlc-plugin-*