Fix memory_test's temporary user data directory path, the base name of which is copied into the containing temporary directory. BUG=none TEST=Useful mem test stats in the perf graph. Review URL: http://codereview.chromium.org/266047
Fix memory_test's temporary user data directory path, the base name
of which is copied into the containing temporary directory.
BUG=none
TEST=Useful mem test stats in the perf graph.
Review URL: http://codereview.chromium.org/266047

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@28625 0039d316-1c4b-4281-b951-d872f2087c98

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