Update the default color for background tab text.
Update the default color for background tab text.

BUG=http://crbug.com/37078
TEST=as in bug

Review URL: http://codereview.chromium.org/660307

git-svn-id: http://src.chromium.org/svn/trunk/src@40381 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c9014dc532b5b27c997c4a701a86bb40e8771d79
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser