Remove unused MediaControlElementType enum values

MediaStatusDisplay and MediaTextTrackDisplay, that is.

BUG=448795

Review URL: https://codereview.chromium.org/946243003

git-svn-id: svn://svn.chromium.org/blink/trunk@190644 bbb929c8-8fbe-4397-9dbb-9b2b20218538
3 files changed
tree: 0055c9d764e49247797f3ff5caf8b34b32126876
  1. third_party/