IDL parser: Drop Date and RegExp from keywords

Date and RegExp were IDL type, but they were removed in Oct. 2015.[1]
In current spec, they are not reserved words and can be used as

This CL drops these words from keywords in Blink IDL parser, to
follow the current spec.


Bug: 839389
Change-Id: I2592573ba0c1875a3e828a54adfc5e040184d3fd
Reviewed-by: Yuki Shiino <>
Commit-Queue: Hitoshi Yoshida <>
Cr-Original-Commit-Position: refs/heads/master@{#676310}
Cr-Mirrored-Commit: 1a64435b93bcf470d2632e9930af9779ac355d39
5 files changed