base: Disable the scoped handle verifier.

Intended for M32 branch

BUG=318496
TEST=none
TBR=cpu@chromium.org

Review URL: https://codereview.chromium.org/68113012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234738 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234738