It looks like the unit tests instantiate the TaskManagerView without actually creating the window it lives in. Make sure the table is only allocated and initialized when it's inserted into a view hierarchy to avoid leaking the columns.
It looks like the unit tests instantiate the TaskManagerView without actually creating the window it lives in. Make sure the table is only allocated and initialized when it's inserted into a view hierarchy to avoid leaking the columns.

BUG=none
TEST=purify unit test bot
Review URL: http://codereview.chromium.org/118199

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@17573 0039d316-1c4b-4281-b951-d872f2087c98

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