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This is a reland of 714060db
Original change's description:
> Implement updated array buffer allocator in gin
> 
> Bug: chromium:720302
> Change-Id: I127daca6ee9954774b8ff23382ba38cb23da7318
> Reviewed-on: https://chromium-review.googlesource.com/543670
> Commit-Queue: Eric Holk <eholk@chromium.org>
> Reviewed-by: Jochen Eisinger <jochen@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#481959}

Bug: chromium:720302
Change-Id: I880773c83d51c8ec0d3d55dfa8913e6b3a16ddec
Reviewed-on: https://chromium-review.googlesource.com/570978Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Eric Holk <eholk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487179}