D26057: Deprecate the top-level IconSize() function

[Volker Krause]

vkrause added a task: T11637: Investigate if KIconThemes is needed as a 
framework.

REPOSITORY
  R302 KIconThemes

REVISION DETAIL
  https://phabricator.kde.org/D26057

To: vkrause
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns