The VM state is a property of the isolate, not the CPU profiler.
Having to create a v8::CpuProfiler instance in order to change
the property is somewhat inefficient.
See https://github.com/nodejs/node/issues/18039 and
https://github.com/nodejs/node/pull/18534 for context.
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng;master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: I70e31deca6529bccc05a0f4ed500ee268fb63cb8
Reviewed-on: https://chromium-review.googlesource.com/900622
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51779}
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