Change the login name autocompletion logic to case sensitive.

Contributed by Takano.Naoki@gmail.com (honten)

BUG=55874
TEST=Assume the user's login name is 'Chris' and once it's saved, the autocompletion is not triggered if the start charactor is 'c'. The autocompletion is triggered iff the start charactor is 'C'.

Review URL: http://codereview.chromium.org/5197005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@67240 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed