GitLab

Interfaces and small structs don't need a .cc file just to have an
default constructor/destructor.

Bug: None
Change-Id: I45767eb135b15c47a1e98dfbe0546d1bcb6c6547
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2440632Reviewed-by: Marc Treib <treib@chromium.org>
Commit-Queue: Victor Vianna <victorvianna@google.com>
Cr-Commit-Position: refs/heads/master@{#812746}