IDL parser: Do not add "CALLBACK" property on callback functions

Before this CL, we added "CALLBACK" property on both
callback functions and callback interfaces, but it is
redundant for callback functions.
So this CL avoid to add it on callback functions.


Bug: None
Change-Id: I75128f0115185ae89266374a4818e152c643a50b
Reviewed-on: https://chromium-review.googlesource.com/666101
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Yuki Shiino <yukishiino@chromium.org>
Reviewed-by: Kenichi Ishibashi <bashi@chromium.org>
Commit-Queue: Hitoshi Yoshida <peria@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#501895}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 8f7fb05a0f8cafaf881343488db0027192e7c9ff
3 files changed