Revert of Temporary commit to evaluate perf impact of prototype CPU profiler

Revert of Temporary commit to evaluate perf impact of prototype CPU profiler (patchset #10 id:170001 of https://codereview.chromium.org/888923004/)

Reason for revert:
Reverting temporary commit.

Original issue's description:
> Temporary commit to evaluate perf impact of prototype CPU profiler
>
> Design doc: https://docs.google.com/document/d/1Bv-I1yM9AjgY3t27ixdyWHCAW9IpVx02YQ-nSbIqccc
>
> BUG=
>
> Committed: https://crrev.com/47c6093645b62fbc9f68cf50375fc0626e32516c
> Cr-Commit-Position: refs/heads/master@{#315196}

TBR=cpu@chromium.org,wfh@chromium.org,vadimt@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/21a43cf747cd3388e03b25d72f29731671df95f5
Cr-Commit-Position: refs/heads/master@{#315217}

[Mike Wittman, 2015-02-07 22:05:16]

Created Revert of Temporary commit to evaluate perf impact of prototype CPU
profiler

[commit-bot: I haz the power, 2015-02-07 22:05:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/904233002/1

[commit-bot: I haz the power, 2015-02-07 22:05:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-07 22:06:38]

Patchset 1 (id:??) landed as
https://crrev.com/21a43cf747cd3388e03b25d72f29731671df95f5
Cr-Commit-Position: refs/heads/master@{#315217}