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This is a reland of f6c12979

Original change's description:
> [base] Implement std::size(), std::empty() and std::data()
>
> This change provides C++14 implementations of C++17's std::size(),
> std::empty() and std::data().
>
> Bug: 828324
> Change-Id: If1b83826a23b26fd557f7854962bcbc771a7ffe0
> Reviewed-on: https://chromium-review.googlesource.com/992236
> Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
> Reviewed-by: kylechar <kylechar@chromium.org>
> Reviewed-by: Daniel Cheng <dcheng@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#550137}

TBR=dcheng@chromium.org,kylechar@chromium.org

Bug: 828324
Change-Id: I4c3e637129aaaf277d83ca07b4705dc3b815183b
Reviewed-on: https://chromium-review.googlesource.com/1011962Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550565}