GitLab

Defer selection of the text in an unfocused omnibox until
the release event.  Otherwise, all of the text starting from
the left side is selected when the user is trying to
highlight just a portion of the URL.

BUG=128126
TEST=added, also did manual testing


Review URL: https://chromiumcodereview.appspot.com/10386173

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137711 0039d316-1c4b-4281-b951-d872f2087c98