use unique_ptr in ScViewOptions::CreateGridItem

Change-Id: I350e606b14a5a7f269fecca1d176f40c4343c344
Reviewed-on: https://gerrit.libreoffice.org/66005
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sc/inc/viewopti.hxx

@@ -94,7 +94,7 @@ public:
 
     const ScGridOptions&    GetGridOptions() const                      { return aGridOpt; }
     void                    SetGridOptions( const ScGridOptions& rNew ) { aGridOpt = rNew; }
-    SvxGridItem*            CreateGridItem() const;
+    std::unique_ptr<SvxGridItem> CreateGridItem() const;
 
     ScViewOptions&          operator=  ( const ScViewOptions& rCpy );
     bool                    operator== ( const ScViewOptions& rOpt ) const;

sc/source/core/tool/viewopti.cxx

@@ -156,9 +156,9 @@ bool ScViewOptions::operator==( const ScViewOptions& rOpt ) const
     return bEqual;
 }
 
-SvxGridItem* ScViewOptions::CreateGridItem() const
+std::unique_ptr<SvxGridItem> ScViewOptions::CreateGridItem() const
 {
-    SvxGridItem* pItem = new SvxGridItem( SID_ATTR_GRID_OPTIONS );
+    std::unique_ptr<SvxGridItem> pItem(new SvxGridItem( SID_ATTR_GRID_OPTIONS ));
 
     pItem->SetFieldDrawX      ( aGridOpt.GetFieldDrawX() );
     pItem->SetFieldDivisionX  ( aGridOpt.GetFieldDivisionX() );

sc/source/ui/app/scmod.cxx

@@ -1965,9 +1965,9 @@ std::unique_ptr<SfxItemSet> ScModule::CreateItemSet( sal_uInt16 nId )
         pRet->Put( ScTpPrintItem( GetPrintOptions() ) );
 
         // TP_GRID
-        SvxGridItem* pSvxGridItem = aViewOpt.CreateGridItem();
+        std::unique_ptr<SvxGridItem> pSvxGridItem = aViewOpt.CreateGridItem();
         pRet->Put( *pSvxGridItem );
-        delete pSvxGridItem;
+        pSvxGridItem.reset();
 
         // TP_USERLISTS
         if ( pUL )