[Mac] Put back valgrind disable for a test which didn't belong.
[Mac] Put back valgrind disable for a test which didn't belong.

FramedBrowserWindowTest.DoesHideTitle needed changes in a different
CL.

TBR=mark@chromium.org
BUG=30384
TEST=green valgrind unit tests.

Review URL: http://codereview.chromium.org/3303019

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@58897 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser