MIPS64: CpuProfiler: fix for CollectDeoptEvents test.

MIPS64: CpuProfiler: fix for CollectDeoptEvents test.

Port a925f3f4784f8318f69a201a6b44aa94f97e4ba3

Original commit message:
The same idea as in https://codereview.chromium.org/984893003/

BUG=chromium:452067
LOG=n

Committed: https://crrev.com/94d49b1150c0301336726ca28a93af7a5c87715b
Cr-Commit-Position: refs/heads/master@{#27139}

[balazs.kilvady, 2015-03-11 14:36:28]

balazs.kilvady@imgtec.com changed reviewers:
+ akos.palfi@imgtec.com, danno@chromium.org, dusan.milosavljevic@imgtec.com,
gergely.kis@imgtec.com, loislo@chromium.org, paul.lind@imgtec.com

[loislo, 2015-03-11 15:26:53]

lgtm

[balazs.kilvady, 2015-03-11 16:30:19]

The CQ bit was checked by balazs.kilvady@imgtec.com

[commit-bot: I haz the power, 2015-03-11 16:30:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/993233003/1

[balazs.kilvady, 2015-03-11 16:32:28]

Thank you very much for reviewing mips ports.

[commit-bot: I haz the power, 2015-03-11 16:52:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-11 16:52:39]

Patchset 1 (id:??) landed as
https://crrev.com/94d49b1150c0301336726ca28a93af7a5c87715b
Cr-Commit-Position: refs/heads/master@{#27139}