Remove unreachable code in textfield.cc.

BUG=346399
TEST=none
TBR=msw

Review URL: https://codereview.chromium.org/226473004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@261868 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed