Adjusting "about:flags" styles to distingish enabled and disabled labs.
Adjusting "about:flags" styles to distingish enabled and disabled labs.

BUG=59874
TEST=Look at "about:flags".  You should be able to determine at a glance which labs are enabled.

Review URL: http://codereview.chromium.org/6541017
Patch from Mike West <mkwst@chromium.org>.

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@75593 0039d316-1c4b-4281-b951-d872f2087c98

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