The NaCl and Pepper sandboxes need more warming up before closing down CSRSS. So, scale back the handle-closing to just renderer and worker (until I work out what's missing in other processes).
The NaCl and Pepper sandboxes need more warming up before closing down CSRSS. So, scale back the handle-closing to just renderer and worker (until I work out what's missing in other processes).

BUG=91133
TEST=Intructions in https://code.google.com/p/nativeclient/issues/detail?id=2117
Review URL: http://codereview.chromium.org/7540016

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@94953 0039d316-1c4b-4281-b951-d872f2087c98

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