Using the information below you will be able to disable auto-playing of movies on Facebook within Google Chrome. Recently Facebook as begun to auto-play content within the newsfeed, which frankly I find pretty annoying. You can disable them with this quick fix inside Chrome. Simply open up chrome and type the following into the address bar
chrome://chrome/settings/content
Now scroll down to the Plug-ins section and toggle Click to play as shown below
After that hit done, and load up Facebook in a new tab and you shouldn’t have auto-playing videos in your news feed any longer.