loplugin:useuniqueptr in DocumentDeviceManager

Change-Id: I051f63173a7b58819d340b00ea237a4164b1dbad
Reviewed-on: https://gerrit.libreoffice.org/52030Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/core/doc/DocumentDeviceManager.cxx

@@ -231,7 +231,7 @@ const SwPrintData & DocumentDeviceManager::getPrintData() const
     if(!mpPrtData)
     {
         DocumentDeviceManager * pThis = const_cast< DocumentDeviceManager * >(this);
-        pThis->mpPrtData = new SwPrintData;
+        pThis->mpPrtData.reset(new SwPrintData);
 
         // SwPrintData should be initialized from the configuration,
         // the respective config item is implemented by SwPrintOptions which
@@ -248,13 +248,13 @@ const SwPrintData & DocumentDeviceManager::getPrintData() const
 void DocumentDeviceManager::setPrintData(/*[in]*/ const SwPrintData& rPrtData )
 {
     if(!mpPrtData)
-        mpPrtData = new SwPrintData;
+        mpPrtData.reset(new SwPrintData);
     *mpPrtData = rPrtData;
 }
 
 DocumentDeviceManager::~DocumentDeviceManager()
 {
-    delete mpPrtData;
+    mpPrtData.reset();
     mpVirDev.disposeAndClear();
     mpPrt.disposeAndClear();
 }

sw/source/core/inc/DocumentDeviceManager.hxx

@@ -22,6 +22,7 @@
 #include <IDocumentDeviceAccess.hxx>
 #include <sal/types.h>
 #include <vcl/vclptr.hxx>
+#include <memory>
 
 class SwDoc;
 class SfxPrinter;
@@ -75,7 +76,7 @@ private:
     SwDoc& m_rDoc;
     VclPtr<SfxPrinter> mpPrt;
     VclPtr<VirtualDevice> mpVirDev;
-    SwPrintData* mpPrtData;
+    std::unique_ptr<SwPrintData> mpPrtData;
 };
 
 }