Sync event interfaces with the UI Events spec

https://w3c.github.io/uievents/

There are no changes to the generated code other than the order of
things, naming and the added use counter.

BUG=460722

Review URL: https://codereview.chromium.org/1159113007

git-svn-id: svn://svn.chromium.org/blink/trunk@196493 bbb929c8-8fbe-4397-9dbb-9b2b20218538
16 files changed
tree: 6347274afb93cc0c803691cc7a1ef3ee23a959d1
  1. third_party/