The SharedMemory is owned by the GreasemonkeyMaster, not the unit test.  My previous attempt at fixing the purify problem was overzealous; I just needed to fix the uninitialized boolean that my previous "fix" did.  This change halfway-reverts to before that state.
The SharedMemory is owned by the GreasemonkeyMaster, not the unit test.  My previous attempt at fixing the purify problem was overzealous; I just needed to fix the uninitialized boolean that my previous "fix" did.  This change halfway-reverts to before that state.

Review URL: http://codereview.chromium.org/8893


git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@4172 0039d316-1c4b-4281-b951-d872f2087c98

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