I Have a Dell XP 15, Chrome 34.0.1847.116.
When using two finger swipe on the touch pad in order to scroll, the tab wouldn't accept keyboard presses anymore, e.g. the Backspace wouldn't go back, Ctrl+f wouldn't open find bar.
There is an open bug in the Chromium project, but I am not sure if its related to Chrome or to Windows / drivers (I use latest Synaptic drivers.)
In Internet Explorer, the behavior is usually fine.
Any ideas how to fix ?