Bug 865407 - Part 3: Add TextTrackList::GetAllActiveCues(). r=rillian
Bug 865407 - Part 4: Expose TextTrackCue::DisplayState to chrome JS. r=rillian, r=bz
Bug 865407 - Part 5: Move update display of cues code to TextTrackManager. r=bz, r=rillian
Bug 865407 - Part 6: Expose VTTCue::Reset to Chrome JS. r=bz
Bug 865407 - Part 7: Update vtt.js to latest version. r=rillan

We now call WebVTTParser.processCues() on the vtt.jsm module in order to get the computed divs of the cues.