tree b9a698c0b0574f653aa46c325a95459d26ff521a
parent 9df89e6fc40d742792bc9a08ab506941c2d32e5b
author Ian McKellar <ianloic@google.com> 1544216154 -0800
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1544468020 +0000

[fidl][dart] Implement [Transitional] for Dart

Adds support for the [Transitional] method attribute in Dart FIDL
bindings. This allows for the adding and removal of methods without
requiring a hard transition.

This includes tests.

Test: built with //topaz/packages/tests/all
Note: this depends on https://fuchsia.cl/232217
Change-Id: I89c2e6e9c8f0891e4a8fb7ee8cd193db4ac0d6eb