tree a185f5a63e126bf4f89dc06ca83a38f7fe2bcfae
parent 310d57d305b771b4a4dd8aa58c062c794b47e368
author Yifei Teng <yifeit@google.com> 1547691719 -0800
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1547863719 +0000

[fidl] Implement validator using visitor.

At this point, the migration from buffer_walker to visitor is complete.
There should be no external behavioral change.

TEST: CQ, and tryjobs in higher layers
Change-Id: I6859316f03b9cd61e17f1374b003741cd2caaff1