GitLab

Switch keypad and auto repeat booleans to use enum flags. Space was reserved
for them; this just brings PlatformKeyboardEvent more inline with
WebInputEvent.

BUG=524626

Review URL: https://codereview.chromium.org/1311233004

git-svn-id: svn://svn.chromium.org/blink/trunk@201258 bbb929c8-8fbe-4397-9dbb-9b2b20218538