D10256: Don't cache the targetUrlList() result locally, return them from the locally cached m_items. Minor performance improvement as targetUrlList() is now only called (and the list created) when it's requested.

[Mark Gaiser]

markg edited the test plan for this revision.

REPOSITORY
  R241 KIO

REVISION DETAIL
  https://phabricator.kde.org/D10256

To: markg, dfaure
Cc: #frameworks, michaelh, ngraham