clang-tidy performance-unnecessary-value-param in chart2

Change-Id: Id33dce9714737dd28ce48c22f966c9747c2db20b

20 files changed, 36 insertions, 36 deletions

diff --git a/chart2/source/controller/chartapiwrapper/ChartDocumentWrapper.cxx b/chart2/source/controller/chartapiwrapper/ChartDocumentWrapper.cxx
index 00ccc33db846..deb0abe3db87 100644
--- a/chart2/source/controller/chartapiwrapper/ChartDocumentWrapper.cxx
+++ b/chart2/source/controller/chartapiwrapper/ChartDocumentWrapper.cxx
@@ -1134,7 +1134,7 @@ uno::Reference< drawing::XDrawPage > ChartDocumentWrapper::impl_getDrawPage() co
 
 namespace {
 
-uno::Reference< lang::XMultiServiceFactory > getShapeFactory(uno::Reference<uno::XInterface> xChartView)
+uno::Reference< lang::XMultiServiceFactory > getShapeFactory(const uno::Reference<uno::XInterface>& xChartView)
 {
     Reference< lang::XUnoTunnel> xUnoTunnel(xChartView,uno::UNO_QUERY);
     if(xUnoTunnel.is())
diff --git a/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx b/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
index 60c7f6556342..21eb43fb013f 100644
--- a/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
+++ b/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
@@ -501,7 +501,7 @@ bool lcl_isXYChart( const Reference< chart2::XDiagram >& rDiagram )
 
 sal_Int32 lcl_getNewAPIIndexForOldAPIIndex(
                 sal_Int32 nOldAPIIndex
-                , Reference< chart2::XDiagram > xDiagram )
+                , const Reference< chart2::XDiagram >& xDiagram )
 {
     sal_Int32 nNewAPIIndex = nOldAPIIndex;
 
diff --git a/chart2/source/controller/chartapiwrapper/WrappedAxisAndGridExistenceProperties.cxx b/chart2/source/controller/chartapiwrapper/WrappedAxisAndGridExistenceProperties.cxx
index 7bb7f824d8fd..0b1bd662a4e9 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedAxisAndGridExistenceProperties.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedAxisAndGridExistenceProperties.cxx
@@ -56,7 +56,7 @@ private: //member
 };
 
 void WrappedAxisAndGridExistenceProperties::addWrappedProperties( std::vector< WrappedProperty* >& rList
-            , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+            , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     rList.push_back( new WrappedAxisAndGridExistenceProperty( true, true, 0, spChart2ModelContact ) );//x axis
     rList.push_back( new WrappedAxisAndGridExistenceProperty( true, false, 0, spChart2ModelContact ) );//x secondary axis
@@ -221,7 +221,7 @@ private: //member
 };
 
 void WrappedAxisTitleExistenceProperties::addWrappedProperties( std::vector< WrappedProperty* >& rList
-            , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+            , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     rList.push_back( new WrappedAxisTitleExistenceProperty( 0, spChart2ModelContact ) );//x axis title
     rList.push_back( new WrappedAxisTitleExistenceProperty( 1, spChart2ModelContact ) );//y axis title
@@ -336,7 +336,7 @@ private: //member
 };
 
 void WrappedAxisLabelExistenceProperties::addWrappedProperties( std::vector< WrappedProperty* >& rList
-            , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+            , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     rList.push_back( new WrappedAxisLabelExistenceProperty( true, 0, spChart2ModelContact ) );//x axis
     rList.push_back( new WrappedAxisLabelExistenceProperty( true, 1, spChart2ModelContact ) );//y axis
diff --git a/chart2/source/controller/chartapiwrapper/WrappedAxisAndGridExistenceProperties.hxx b/chart2/source/controller/chartapiwrapper/WrappedAxisAndGridExistenceProperties.hxx
index 1c04139fbbad..cbdf242e2aa8 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedAxisAndGridExistenceProperties.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedAxisAndGridExistenceProperties.hxx
@@ -35,21 +35,21 @@ class WrappedAxisAndGridExistenceProperties
 {
 public:
     static void addWrappedProperties( std::vector< WrappedProperty* >& rList
-        , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+        , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 class WrappedAxisTitleExistenceProperties
 {
 public:
     static void addWrappedProperties( std::vector< WrappedProperty* >& rList
-        , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+        , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 class WrappedAxisLabelExistenceProperties
 {
 public:
    static void addWrappedProperties( std::vector< WrappedProperty* >& rList
-       , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+       , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 } //namespace wrapper
diff --git a/chart2/source/controller/chartapiwrapper/WrappedDataCaptionProperties.cxx b/chart2/source/controller/chartapiwrapper/WrappedDataCaptionProperties.cxx
index fdc01a8d5d03..d1dd79ee28e5 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedDataCaptionProperties.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedDataCaptionProperties.cxx
@@ -88,7 +88,7 @@ chart2::DataPointLabel lcl_CaptionToLabel( sal_Int32 nCaption )
 }
 
 void lcl_addWrappedProperties( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact
                                     , tSeriesOrDiagramPropertyType ePropertyType )
 {
     //if !spChart2ModelContact.get() is then the created properties do belong to a single series or single datapoint
@@ -110,13 +110,13 @@ void WrappedDataCaptionProperties::addProperties( std::vector< Property > & rOut
 }
 
 void WrappedDataCaptionProperties::addWrappedPropertiesForSeries( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     lcl_addWrappedProperties( rList, spChart2ModelContact, DATA_SERIES );
 }
 
 void WrappedDataCaptionProperties::addWrappedPropertiesForDiagram( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     lcl_addWrappedProperties( rList, spChart2ModelContact, DIAGRAM );
 }
diff --git a/chart2/source/controller/chartapiwrapper/WrappedDataCaptionProperties.hxx b/chart2/source/controller/chartapiwrapper/WrappedDataCaptionProperties.hxx
index ad5222f202f2..acd7741c0f76 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedDataCaptionProperties.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedDataCaptionProperties.hxx
@@ -35,9 +35,9 @@ class WrappedDataCaptionProperties
 public:
     static void addProperties( ::std::vector< css::beans::Property > & rOutProperties );
     static void addWrappedPropertiesForSeries( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
     static void addWrappedPropertiesForDiagram( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 } //namespace wrapper
diff --git a/chart2/source/controller/chartapiwrapper/WrappedScaleProperty.cxx b/chart2/source/controller/chartapiwrapper/WrappedScaleProperty.cxx
index f941f169d393..54ee48c4324a 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedScaleProperty.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedScaleProperty.cxx
@@ -104,7 +104,7 @@ WrappedScaleProperty::~WrappedScaleProperty()
 }
 
 void WrappedScaleProperty::addWrappedProperties( std::vector< WrappedProperty* >& rList
-            , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+            , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     rList.push_back( new WrappedScaleProperty( SCALE_PROP_MAX, spChart2ModelContact ) );
     rList.push_back( new WrappedScaleProperty( SCALE_PROP_MIN, spChart2ModelContact ) );
diff --git a/chart2/source/controller/chartapiwrapper/WrappedScaleProperty.hxx b/chart2/source/controller/chartapiwrapper/WrappedScaleProperty.hxx
index a6c0d890276c..fdab48a17c41 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedScaleProperty.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedScaleProperty.hxx
@@ -57,7 +57,7 @@ public:
     WrappedScaleProperty( tScaleProperty eScaleProperty, std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
     virtual ~WrappedScaleProperty();
 
-    static void addWrappedProperties( std::vector< WrappedProperty* >& rList, std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+    static void addWrappedProperties( std::vector< WrappedProperty* >& rList, const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 
     virtual void setPropertyValue( const css::uno::Any& rOuterValue, const css::uno::Reference< css::beans::XPropertySet >& xInnerPropertySet ) const
                         throw (css::beans::UnknownPropertyException, css::beans::PropertyVetoException, css::lang::IllegalArgumentException, css::lang::WrappedTargetException, css::uno::RuntimeException) override;
diff --git a/chart2/source/controller/chartapiwrapper/WrappedScaleTextProperties.cxx b/chart2/source/controller/chartapiwrapper/WrappedScaleTextProperties.cxx
index f46191ec1e14..3ad490c98f48 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedScaleTextProperties.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedScaleTextProperties.cxx
@@ -136,7 +136,7 @@ void WrappedScaleTextProperties::addProperties( ::std::vector< Property > & rOut
 }
 
 void WrappedScaleTextProperties::addWrappedProperties( std::vector< WrappedProperty* >& rList
-                                 , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                 , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     rList.push_back( new WrappedScaleTextProperty( spChart2ModelContact ) );
 }
diff --git a/chart2/source/controller/chartapiwrapper/WrappedScaleTextProperties.hxx b/chart2/source/controller/chartapiwrapper/WrappedScaleTextProperties.hxx
index a74c0f675724..b3e9ee9cd85e 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedScaleTextProperties.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedScaleTextProperties.hxx
@@ -36,7 +36,7 @@ class WrappedScaleTextProperties
 public:
     static void addProperties( ::std::vector< css::beans::Property >& rOutProperties );
     static void addWrappedProperties( std::vector< WrappedProperty* >& rList
-                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 } //namespace wrapper
diff --git a/chart2/source/controller/chartapiwrapper/WrappedSceneProperty.cxx b/chart2/source/controller/chartapiwrapper/WrappedSceneProperty.cxx
index 6173725fac4b..099139a7e1dc 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedSceneProperty.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedSceneProperty.cxx
@@ -33,7 +33,7 @@ namespace wrapper
 {
 
 void WrappedSceneProperty::addWrappedProperties( std::vector< WrappedProperty* >& rList
-                , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     rList.push_back( new WrappedD3DTransformMatrixProperty( spChart2ModelContact ) );
 }
diff --git a/chart2/source/controller/chartapiwrapper/WrappedSceneProperty.hxx b/chart2/source/controller/chartapiwrapper/WrappedSceneProperty.hxx
index d1a78ffad3cf..e2c9c9bced23 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedSceneProperty.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedSceneProperty.hxx
@@ -34,7 +34,7 @@ class WrappedSceneProperty
 {
 public:
     static void addWrappedProperties( std::vector< WrappedProperty* >& rList
-        , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+        , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 class WrappedD3DTransformMatrixProperty : public WrappedProperty
diff --git a/chart2/source/controller/chartapiwrapper/WrappedSplineProperties.cxx b/chart2/source/controller/chartapiwrapper/WrappedSplineProperties.cxx
index 9ca9ce93fba5..f8b1dba6cc2d 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedSplineProperties.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedSplineProperties.cxx
@@ -206,7 +206,7 @@ void WrappedSplineProperties::addProperties( ::std::vector< Property > & rOutPro
 }
 
 void WrappedSplineProperties::addWrappedProperties( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     rList.push_back( new WrappedSplineTypeProperty( spChart2ModelContact ) );
     rList.push_back(
diff --git a/chart2/source/controller/chartapiwrapper/WrappedSplineProperties.hxx b/chart2/source/controller/chartapiwrapper/WrappedSplineProperties.hxx
index 0633ff572bf3..01cd3f034327 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedSplineProperties.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedSplineProperties.hxx
@@ -35,7 +35,7 @@ class WrappedSplineProperties
 public:
     static void addProperties( ::std::vector< css::beans::Property > & rOutProperties );
     static void addWrappedProperties( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 } //namespace wrapper
diff --git a/chart2/source/controller/chartapiwrapper/WrappedStatisticProperties.cxx b/chart2/source/controller/chartapiwrapper/WrappedStatisticProperties.cxx
index 085ed9fdb6dc..a73533c87986 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedStatisticProperties.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedStatisticProperties.cxx
@@ -121,7 +121,7 @@ sal_Int32 lcl_getErrorBarStyle( const uno::Reference< beans::XPropertySet >& xEr
 }
 
 uno::Reference< chart2::data::XDataProvider > lcl_getDataProviderFromContact(
-    ::std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+    const ::std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     uno::Reference< chart2::data::XDataProvider > xResult;
     if( spChart2ModelContact.get())
@@ -136,7 +136,7 @@ uno::Reference< chart2::data::XDataProvider > lcl_getDataProviderFromContact(
 
 void lcl_ConvertRangeFromXML(
     OUString & rInOutRange,
-    ::std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+    const ::std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     if( !rInOutRange.isEmpty())
     {
@@ -152,7 +152,7 @@ void lcl_ConvertRangeFromXML(
 
 void lcl_ConvertRangeToXML(
     OUString & rInOutRange,
-    ::std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+    const ::std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     if( !rInOutRange.isEmpty())
     {
@@ -965,7 +965,7 @@ enum
                series
  */
 void lcl_addWrappedProperties( std::vector< WrappedProperty* >& rList
-            , ::std::shared_ptr< Chart2ModelContact > spChart2ModelContact
+            , const ::std::shared_ptr< Chart2ModelContact >& spChart2ModelContact
             , tSeriesOrDiagramPropertyType ePropertyType )
 {
     rList.push_back( new WrappedConstantErrorLowProperty( spChart2ModelContact, ePropertyType ) );
@@ -1082,13 +1082,13 @@ void WrappedStatisticProperties::addProperties( ::std::vector< Property > & rOut
 }
 
 void WrappedStatisticProperties::addWrappedPropertiesForSeries( std::vector< WrappedProperty* >& rList
-                                    , ::std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                    , const ::std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     lcl_addWrappedProperties( rList, spChart2ModelContact, DATA_SERIES );
 }
 
 void WrappedStatisticProperties::addWrappedPropertiesForDiagram( std::vector< WrappedProperty* >& rList
-                                    , ::std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                    , const ::std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     lcl_addWrappedProperties( rList, spChart2ModelContact, DIAGRAM  );
 }
diff --git a/chart2/source/controller/chartapiwrapper/WrappedStatisticProperties.hxx b/chart2/source/controller/chartapiwrapper/WrappedStatisticProperties.hxx
index 390677936cdd..2baba22cbbbb 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedStatisticProperties.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedStatisticProperties.hxx
@@ -35,9 +35,9 @@ class WrappedStatisticProperties
 public:
     static void addProperties( ::std::vector< css::beans::Property > & rOutProperties );
     static void addWrappedPropertiesForSeries( std::vector< WrappedProperty* >& rList
-                    , ::std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+                    , const ::std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
     static void addWrappedPropertiesForDiagram( std::vector< WrappedProperty* >& rList
-                    , ::std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+                    , const ::std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 } //namespace wrapper
diff --git a/chart2/source/controller/chartapiwrapper/WrappedStockProperties.cxx b/chart2/source/controller/chartapiwrapper/WrappedStockProperties.cxx
index f0e94d8b84c5..124c862b364b 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedStockProperties.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedStockProperties.cxx
@@ -278,7 +278,7 @@ void WrappedStockProperties::addProperties( ::std::vector< Property > & rOutProp
 }
 
 void WrappedStockProperties::addWrappedProperties( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     rList.push_back( new WrappedVolumeProperty( spChart2ModelContact ) );
     rList.push_back( new WrappedUpDownProperty( spChart2ModelContact ) );
diff --git a/chart2/source/controller/chartapiwrapper/WrappedStockProperties.hxx b/chart2/source/controller/chartapiwrapper/WrappedStockProperties.hxx
index 9a92d0fc9609..faa1ba5211e0 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedStockProperties.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedStockProperties.hxx
@@ -35,7 +35,7 @@ class WrappedStockProperties
 public:
     static void addProperties( ::std::vector< css::beans::Property > & rOutProperties );
     static void addWrappedProperties( std::vector< WrappedProperty* >& rList
-            , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+            , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 } //namespace wrapper
diff --git a/chart2/source/controller/chartapiwrapper/WrappedSymbolProperties.cxx b/chart2/source/controller/chartapiwrapper/WrappedSymbolProperties.cxx
index a7bf6af8b262..40f68cebc86e 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedSymbolProperties.cxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedSymbolProperties.cxx
@@ -159,7 +159,7 @@ void lcl_setSymbolTypeToSymbol( sal_Int32 nSymbolType, chart2::Symbol& rSymbol )
 }
 
 void lcl_addWrappedProperties( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact
                                     , tSeriesOrDiagramPropertyType ePropertyType )
 {
     rList.push_back( new WrappedSymbolTypeProperty( spChart2ModelContact, ePropertyType ) );
@@ -202,13 +202,13 @@ void WrappedSymbolProperties::addProperties( ::std::vector< Property > & rOutPro
 }
 
 void WrappedSymbolProperties::addWrappedPropertiesForSeries( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     lcl_addWrappedProperties( rList, spChart2ModelContact, DATA_SERIES );
 }
 
 void WrappedSymbolProperties::addWrappedPropertiesForDiagram( std::vector< WrappedProperty* >& rList
-                                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact )
+                                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact )
 {
     lcl_addWrappedProperties( rList, spChart2ModelContact, DIAGRAM );
 }
diff --git a/chart2/source/controller/chartapiwrapper/WrappedSymbolProperties.hxx b/chart2/source/controller/chartapiwrapper/WrappedSymbolProperties.hxx
index f065e3167282..44356dd348ad 100644
--- a/chart2/source/controller/chartapiwrapper/WrappedSymbolProperties.hxx
+++ b/chart2/source/controller/chartapiwrapper/WrappedSymbolProperties.hxx
@@ -35,9 +35,9 @@ class WrappedSymbolProperties
 public:
     static void addProperties( ::std::vector< css::beans::Property > & rOutProperties );
     static void addWrappedPropertiesForSeries( std::vector< WrappedProperty* >& rList
-                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
     static void addWrappedPropertiesForDiagram( std::vector< WrappedProperty* >& rList
-                    , std::shared_ptr< Chart2ModelContact > spChart2ModelContact );
+                    , const std::shared_ptr< Chart2ModelContact >& spChart2ModelContact );
 };
 
 } //namespace wrapper