tree 39f7a9ef919f290366b4d949bd087efaec0acf4e
parent 60ef496b1e1d9820ec8e84dbca70f17c62f4ef3e
author Greg Spencer <gspencergoog@users.noreply.github.com> 1591222594 -0700
committer GitHub <noreply@github.com> 1591222594 -0700
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Use Diagnosticable instead of DiagnosticableMixin (#166)

Now that Diagnosticable in Flutter's stable release is a mixin, use that instead, since DiagnosticableMixin will be going away. The two mixin classes are identical, so there should be no change in functionality.

In anticipation of flutter/flutter#50498