mojo-js: Add support for nested enums in interfaces

We weren't generated enum definitions for nested enums in interfaces.

Change-Id: Ib303509dd991f0555ceb4e092ce41a4da91d3640
Reviewed-on: https://chromium-review.googlesource.com/c/1350440
Reviewed-by: Ken Rockot <rockot@google.com>
Commit-Queue: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610957}
1 file changed