Get rid of warning in HTMLTrackElement
More work on TextTrackCue
Add mTrack member to HTMLTrackElement
Merge pull request #1 from humphd/bug833385

Bug833385
Confirmed build works & merges cleanly.
Fixes for HTMLTrackElement based on review comments for HTMLTimeElement
Merge pull request #2 from humphd/bug833385

Fixes for HTMLTrackElement based on review comments for HTMLTimeElement
Fix SetterThrows for reflected attributes on HTMLTrackElement, remove mDefault member
Merge pull request #3 from humphd/bug833385

Fix SetterThrows for reflected attributes on HTMLTrackElement, remove mD...
merging stuff over from bug833385
adding operator== to TextTrackCue, re-enabling disabled code from CueList
adding operator== to TextTrackCue, re-enabling disabled code from CueList