tdf#89329: use unique_ptr for pImpl in accessiblerelationsethelper

Change-Id: I29578afa206e869a5b2e6fb42c7f5ebf4a6f2fe8
Reviewed-on: https://gerrit.libreoffice.org/25906Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>

include/unotools/accessiblerelationsethelper.hxx

@@ -30,6 +30,7 @@
 #include <osl/mutex.hxx>
 #include <cppuhelper/implbase1.hxx>
 #include <comphelper/servicehelper.hxx>
+#include <memory>
 
 class AccessibleRelationSetHelperImpl;
 
@@ -136,7 +137,7 @@ protected:
 
 private:
     /// The implementation of this helper interface.
-    AccessibleRelationSetHelperImpl*    mpHelperImpl;
+    std::unique_ptr<AccessibleRelationSetHelperImpl>    mpHelperImpl;
 };
 
 }

unotools/source/accessibility/accessiblerelationsethelper.cxx

@@ -123,24 +123,21 @@ void AccessibleRelationSetHelperImpl::AddRelation(const AccessibleRelation& rRel
 //=====  internal  ============================================================
 
 AccessibleRelationSetHelper::AccessibleRelationSetHelper ()
-    : mpHelperImpl(nullptr)
+    : mpHelperImpl(new AccessibleRelationSetHelperImpl)
 {
-    mpHelperImpl = new AccessibleRelationSetHelperImpl();
 }
 
 AccessibleRelationSetHelper::AccessibleRelationSetHelper (const AccessibleRelationSetHelper& rHelper)
     : cppu::WeakImplHelper1<XAccessibleRelationSet>()
-    , mpHelperImpl(nullptr)
 {
     if (rHelper.mpHelperImpl)
-        mpHelperImpl = new AccessibleRelationSetHelperImpl(*rHelper.mpHelperImpl);
+        mpHelperImpl.reset(new AccessibleRelationSetHelperImpl(*rHelper.mpHelperImpl));
     else
-        mpHelperImpl = new AccessibleRelationSetHelperImpl();
+        mpHelperImpl.reset(new AccessibleRelationSetHelperImpl());
 }
 
 AccessibleRelationSetHelper::~AccessibleRelationSetHelper()
 {
-    delete mpHelperImpl;
 }
 
 //=====  XAccessibleRelationSet  ==============================================