Revert r229534 "[win8] Ensure the desktop type (e.g. ash) of a hosted app launch matches the launching app list"
Breaks CrOS builds.

TBR=tapted

Review URL: https://codereview.chromium.org/28773006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229545 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229545