This reverts commit 515cc07d.

Reason for revert: Tree closed on mkgrokdump failures
https://logs.chromium.org/v/?s=chromium%2Fbb%2Fclient.v8%2FV8_Mac64%2F22277%2F%2B%2Frecipes%2Fsteps%2FCheck%2F0%2Flogs%2Fmkgrokdump%2F0
https://logs.chromium.org/v/?s=chromium%2Fbb%2Fclient.v8%2FV8_Linux64%2F24882%2F%2B%2Frecipes%2Fsteps%2FCheck_-_noavx%2F0%2Flogs%2Fmkgrokdump%2F0
https://logs.chromium.org/v/?s=chromium%2Fbb%2Fclient.v8%2FV8_Win64%2F24413%2F%2B%2Frecipes%2Fsteps%2FCheck%2F0%2Flogs%2Fmkgrokdump%2F0

Original change's description:
> [csa] Ensure the requested allocation size fits in a Smi
> 
> In CSA::AllocateRaw, ensure that the given allocation size fits into a
> Smi.
> 
> Bug: chromium:848672
> Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
> Change-Id: I4e74791296163188b1ca77cae8226a9833fba8ef
> Reviewed-on: https://chromium-review.googlesource.com/1084930
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Reviewed-by: Igor Sheludko <ishell@chromium.org>
> Commit-Queue: Jakob Gruber <jgruber@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#53495}

TBR=yangguo@chromium.org,jgruber@chromium.org,ishell@chromium.org

Change-Id: I4d1019c03b393c1a59e5eca558d9cd26ce63e17a
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:848672
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Reviewed-on: https://chromium-review.googlesource.com/1085647Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53496}