Prevent the renderer from dying if launched under App-V/SoftGrid.
Prevent the renderer from dying if launched under App-V/SoftGrid.

A version of Microsoft Office launches chrome under a virtual
environment, and this virtual environment does not allow us
to reduce the integrity level on the renderer.  Since it returns
a fake error (ERROR_INVALID_HANDLE), we can trap it and continue
execution anyway... until we find a better fix.

BUG=95888
Review URL: http://codereview.chromium.org/7857022

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@100328 0039d316-1c4b-4281-b951-d872f2087c98

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