new loplugin: useuniqueptr: accessibility

Change-Id: I0994bfcae23a2714c78e16c9baa7e0a018d46513
Reviewed-on: https://gerrit.libreoffice.org/33144Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>

accessibility/inc/standard/vclxaccessiblelist.hxx

@@ -135,10 +135,10 @@ public:
 
     void UpdateFocus_Impl_Acc ( sal_Int32 nPos, bool b_IsDropDownList) ;
     static void NotifyListItem(css::uno::Any& val);
-    ::accessibility::IComboListBoxHelper* getListBoxHelper() { return m_pListBoxHelper; }
+    ::accessibility::IComboListBoxHelper* getListBoxHelper() { return m_pListBoxHelper.get(); }
 protected:
     BoxType     m_aBoxType;
-    ::accessibility::IComboListBoxHelper* m_pListBoxHelper;
+    std::unique_ptr<::accessibility::IComboListBoxHelper> m_pListBoxHelper;
     ListItems   m_aAccessibleChildren;
     sal_Int32   m_nVisibleLineCount;
     /// Index in parent.  This is settable from the outside.

accessibility/source/standard/vclxaccessiblelist.cxx

@@ -74,7 +74,7 @@ VCLXAccessibleList::VCLXAccessibleList (VCLXWindow* pVCLWindow, BoxType aBoxType
         {
             VclPtr< ComboBox > pBox = GetAs< ComboBox >();
             if ( pBox )
-                m_pListBoxHelper = new VCLListBoxHelper<ComboBox> (*pBox);
+                m_pListBoxHelper.reset( new VCLListBoxHelper<ComboBox> (*pBox) );
             break;
         }
 
@@ -82,7 +82,7 @@ VCLXAccessibleList::VCLXAccessibleList (VCLXWindow* pVCLWindow, BoxType aBoxType
         {
             VclPtr< ListBox > pBox = GetAs< ListBox >();
             if ( pBox )
-                m_pListBoxHelper = new VCLListBoxHelper<ListBox> (*pBox);
+                m_pListBoxHelper.reset( new VCLListBoxHelper<ListBox> (*pBox) );
             break;
         }
     }
@@ -98,7 +98,6 @@ VCLXAccessibleList::VCLXAccessibleList (VCLXWindow* pVCLWindow, BoxType aBoxType
 
 VCLXAccessibleList::~VCLXAccessibleList()
 {
-    delete m_pListBoxHelper;
 }
 
 
@@ -115,8 +114,7 @@ void SAL_CALL VCLXAccessibleList::disposing()
     // Dispose all items in the list.
     clearItems();
 
-    delete m_pListBoxHelper;
-    m_pListBoxHelper = nullptr;
+    m_pListBoxHelper.reset();
 }