Protect status_area_ access
Protect status_area_ access

Change-Id: Ie6ee3ec84c126f46cdc34aea17bafa43cd49245c

BUG=chromium-os:23709
TEST=Chrome starts + VMTests pass


Review URL: http://codereview.chromium.org/8785011

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@112845 0039d316-1c4b-4281-b951-d872f2087c98

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