Mac: Selecting a row in taskman should select other rows in the same process.
Mac: Selecting a row in taskman should select other rows in the same process.

BUG=33077
TEST=See bug.

Review URL: http://codereview.chromium.org/556082

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@37560 0039d316-1c4b-4281-b951-d872f2087c98

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