[Fuchsia] Fix component_unittests to build cleanly.

Bug: 961457
Change-Id: I1174440bf92b975fd165067f4ff0bee21281148c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1476971
Reviewed-by: Vasilii Sukhanov <[email protected]>
Reviewed-by: Tommy Li <[email protected]>
Reviewed-by: Sergey Ulanov <[email protected]>
Reviewed-by: Kevin Marshall <[email protected]>
Reviewed-by: Bruce Dawson <[email protected]>
Commit-Queue: Wez <[email protected]>
Auto-Submit: Wez <[email protected]>
Cr-Commit-Position: refs/heads/master@{#696904}
9 files changed