A workaround of LatinIME using targetAPI < 15.

BUG=298416
NOTRY=true

Review URL: https://codereview.chromium.org/24445005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225601 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225601