Disable zoom animation in Chrome when going to full screen video
Solution 1:
chrome://flags/#enable-simplified-fullscreen; Enable it and restart chrome
Solution 2:
After months of research this is how to disable the annoying animation that occurs on some videos on Youtube.
Delete the file called ffmpegsumo.so in: /Applications/Google Chrome.app/Contents/Versions/[your current version]/Google Chrome Framework.framework/Libaries.
And voilà! Enjoy!