This reverts commit f5d30851.

Breakages:
https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20noi18n%20-%20debug/builds/20370
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20custom%20snapshot%20-%20debug/builds/21174

TBR=yangguo@chromium.org

No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:6666
Change-Id: Ic4d28fccf647aadcac0a60430b7fb66d22ce4577
Reviewed-on: https://chromium-review.googlesource.com/1030431Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52813}