GitLab

There was a duplication of the source type checking. It may lead
errors when a type set will be changed for a language.

R=dpranke@chromium.org

Bug: None
Change-Id: Ieab8885899446e625cfe20c1650418a085b937ee
Reviewed-on: https://chromium-review.googlesource.com/702414Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506763}