svn info --xml will return
<entry (...) revision="Resource is not under version control."> for
new files, causing an exception in the parsing code.

R=dpranke@chromium.org
BUG=
TEST=


Review URL: http://codereview.chromium.org/9110010

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@116522 0039d316-1c4b-4281-b951-d872f2087c98