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* Inline temps
* Range-based for
* Split DCHECKs
* Better units
* Shorten code

Bug: none
Change-Id: I4f501c85c38f91efb3a6c94f2d3248f03cc808c8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2358998
Commit-Queue: Mitsuru Oshima <oshima@chromium.org>
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Auto-Submit: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798540}