loplugin:useuniqueptr in VCoordinateSystem

Change-Id: I369d6755d3de2dd885214115559150256298852d
Reviewed-on: https://gerrit.libreoffice.org/60051
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

chart2/inc/ChartView.hxx

@@ -223,7 +223,7 @@ private: //member
 
     std::shared_ptr< DrawModelWrapper > m_pDrawModelWrapper;
 
-    std::vector< VCoordinateSystem* > m_aVCooSysList;
+    std::vector< std::unique_ptr<VCoordinateSystem> > m_aVCooSysList;
 
     ::cppu::OMultiTypeInterfaceContainerHelper
                         m_aListenerContainer;

chart2/source/view/axes/VCoordinateSystem.cxx

@@ -52,7 +52,7 @@ using namespace ::com::sun::star::chart2;
 using ::com::sun::star::uno::Reference;
 using ::com::sun::star::uno::Sequence;
 
-VCoordinateSystem* VCoordinateSystem::createCoordinateSystem(
+std::unique_ptr<VCoordinateSystem> VCoordinateSystem::createCoordinateSystem(
             const Reference< XCoordinateSystem >& xCooSysModel )
 {
     if( !xCooSysModel.is() )
@@ -61,13 +61,13 @@ VCoordinateSystem* VCoordinateSystem::createCoordinateSystem(
     OUString aViewServiceName = xCooSysModel->getViewServiceName();
 
     //@todo: in future the coordinatesystems should be instantiated via service factory
-    VCoordinateSystem* pRet=nullptr;
+    std::unique_ptr<VCoordinateSystem> pRet;
     if( aViewServiceName == CHART2_COOSYSTEM_CARTESIAN_VIEW_SERVICE_NAME )
-        pRet = new VCartesianCoordinateSystem(xCooSysModel);
+        pRet.reset( new VCartesianCoordinateSystem(xCooSysModel) );
     else if( aViewServiceName == CHART2_COOSYSTEM_POLAR_VIEW_SERVICE_NAME )
-        pRet = new VPolarCoordinateSystem(xCooSysModel);
+        pRet.reset( new VPolarCoordinateSystem(xCooSysModel) );
     if(!pRet)
-        pRet = new VCoordinateSystem(xCooSysModel);
+        pRet.reset( new VCoordinateSystem(xCooSysModel) );
     return pRet;
 }
 

chart2/source/view/inc/VCoordinateSystem.hxx

@@ -51,7 +51,7 @@ class VCoordinateSystem
 public:
     virtual ~VCoordinateSystem();
 
-    static VCoordinateSystem* createCoordinateSystem( const css::uno::Reference<
+    static std::unique_ptr<VCoordinateSystem> createCoordinateSystem( const css::uno::Reference<
                                 css::chart2::XCoordinateSystem >& xCooSysModel );
 
     /// @throws css::uno::RuntimeException