Disabled TabStripModelTest.FastShutdown on Windows.

Newly failing on Vista Tests bot on Blink waterfall.

BUG=302156
TBR=sky@chromium.org,jam@chromium.org

Review URL: https://codereview.chromium.org/59363003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234026 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234026