[Zucchini] Update code formatting.

This CL ensures that all Zucchini source files pass 'git cl lint' and
'git cl format'. The following is applied:
* Add all source files into a CL.
* Run 'git cl format', and manually update files that don't pass.
* Revert unchanged files.
* Run 'clang-format' on all source files.

Change-Id: I8f5b7ca92df2400b09f0ca008af3455418e6ba12
Reviewed-on: https://chromium-review.googlesource.com/c/1400951
Reviewed-by: Etienne Pierre-Doray <etiennep@chromium.org>
Reviewed-by: Samuel Huang <huangs@chromium.org>
Commit-Queue: Samuel Huang <huangs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620810}
2 files changed