This reverts commit b342e611.

Reason for revert: x64 msvc failure

Original change's description:
> Attempt to fix MSVC failure in test-debug/BreakPointJSBuiltin
> 
> TBR=bmeurer@chromium.org
> 
> Bug: v8:178
> Change-Id: Idfa86749f3ee49c9f3b2a7fc7c0d7d3285e45c20
> Reviewed-on: https://chromium-review.googlesource.com/956066
> Reviewed-by: Yang Guo <yangguo@chromium.org>
> Commit-Queue: Yang Guo <yangguo@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#51824}

TBR=yangguo@chromium.org,clemensh@chromium.org,bmeurer@chromium.org

Change-Id: I76c4df67416b982b3215df7dce23eb1e7d42ec4c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:178
Reviewed-on: https://chromium-review.googlesource.com/955572Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51825}