Apple - Chrome back/forward gestures no longer working after Mavericks update
Make sure you enable: System preferences > Mouse > Swipe between pages
AND OPEN A NEW TAB in Chrome
In System preferences > Trackpad > Swipe between pages (under more gestures tab) Uncheck it and recheck it.
Should work in Chrome now. You may need to do it when first installing Chrome or updating Chrome.
Make sure you enable: System preferences > Mouse > Swipe between pages