Revert 33526 - Fix the opacity of titlebars on the NTP page.  We were accidentally setting the opacity to 1/255.
Revert 33526 - Fix the opacity of titlebars on the NTP page.  We were accidentally
setting the opacity to 1/255.

This bug was introduced in r32643.

BUG=29107

Review URL: http://codereview.chromium.org/452040

TBR=tony@chromium.org
Review URL: http://codereview.chromium.org/460004

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@33528 0039d316-1c4b-4281-b951-d872f2087c98

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