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Also fix files that failed to do IWYU and stopped building as a result.

Bug: 1010217
Change-Id: I6ab8e88728d33853ea62426046ecc1f92430cb28
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2257994Reviewed-by: Sophie Chang <sophiechang@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#781369}