D15301: Use std::unique_ptr for two private data members

[Oliver Sander]

sander created this revision.
sander added a reviewer: Okular.
Herald added a project: Okular.
Herald added a subscriber: okular-devel.
sander requested review of this revision.

REVISION SUMMARY
  This leads to a minor code simplification.

TEST PLAN
  There should be no functional changes caused by this patch.

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D15301

AFFECTED FILES
  ui/pageviewannotator.cpp

To: sander, #okular
Cc: okular-devel, ngraham, aacid
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