Use unique_ptr for ImpSdrGDIMetaFileImport::mp*Attr

Change-Id: I8bfe10e46cfaacb329998b11fe507c2302fe2d44
diff --git a/svx/source/svdraw/svdfmtf.cxx b/svx/source/svdraw/svdfmtf.cxx
index 104e0bb47..9b08878 100644
--- a/svx/source/svdraw/svdfmtf.cxx
+++ b/svx/source/svdraw/svdfmtf.cxx
@@ -19,6 +19,7 @@

#include "svdfmtf.hxx"
#include <editeng/editdata.hxx>
#include <o3tl/make_unique.hxx>
#include <math.h>
#include <svx/xpoly.hxx>
#include <vcl/svapp.hxx>
@@ -109,19 +110,12 @@ ImpSdrGDIMetaFileImport::ImpSdrGDIMetaFileImport(
    mpVD->SetLineColor();
    mpVD->SetFillColor();
    maOldLineColor.SetRed( mpVD->GetLineColor().GetRed() + 1 );
    mpLineAttr = new SfxItemSet(rModel.GetItemPool(), XATTR_LINE_FIRST, XATTR_LINE_LAST, 0, 0);
    mpFillAttr = new SfxItemSet(rModel.GetItemPool(), XATTR_FILL_FIRST, XATTR_FILL_LAST, 0, 0);
    mpTextAttr = new SfxItemSet(rModel.GetItemPool(), EE_ITEMS_START, EE_ITEMS_END, 0, 0);
    mpLineAttr = o3tl::make_unique<SfxItemSet>(rModel.GetItemPool(), XATTR_LINE_FIRST, XATTR_LINE_LAST, 0, 0);
    mpFillAttr = o3tl::make_unique<SfxItemSet>(rModel.GetItemPool(), XATTR_FILL_FIRST, XATTR_FILL_LAST, 0, 0);
    mpTextAttr = o3tl::make_unique<SfxItemSet>(rModel.GetItemPool(), EE_ITEMS_START, EE_ITEMS_END, 0, 0);
    checkClip();
}

ImpSdrGDIMetaFileImport::~ImpSdrGDIMetaFileImport()
{
    delete mpLineAttr;
    delete mpFillAttr;
    delete mpTextAttr;
}

void ImpSdrGDIMetaFileImport::DoLoopActions(GDIMetaFile& rMtf, SvdProgressInfo* pProgrInfo, sal_uInt32* pActionsToReport)
{
    const sal_uLong nCount(rMtf.GetActionSize());
diff --git a/svx/source/svdraw/svdfmtf.hxx b/svx/source/svdraw/svdfmtf.hxx
index 25621d7..7b3d0d1 100644
--- a/svx/source/svdraw/svdfmtf.hxx
+++ b/svx/source/svdraw/svdfmtf.hxx
@@ -20,6 +20,10 @@
#ifndef INCLUDED_SVX_SOURCE_SVDRAW_SVDFMTF_HXX
#define INCLUDED_SVX_SOURCE_SVDRAW_SVDFMTF_HXX

#include <sal/config.h>

#include <memory>

#include <tools/contnr.hxx>
#include <tools/fract.hxx>
#include <vcl/metaact.hxx>
@@ -46,9 +50,9 @@ protected:
    ScopedVclPtr<VirtualDevice> mpVD;
    tools::Rectangle                   maScaleRect;
    size_t                      mnMapScalingOfs; // from here on, not edited with MapScaling
    SfxItemSet*                 mpLineAttr;
    SfxItemSet*                 mpFillAttr;
    SfxItemSet*                 mpTextAttr;
    std::unique_ptr<SfxItemSet> mpLineAttr;
    std::unique_ptr<SfxItemSet> mpFillAttr;
    std::unique_ptr<SfxItemSet> mpTextAttr;
    SdrModel*                   mpModel;
    SdrLayerID                  mnLayer;
    Color                       maOldLineColor;
@@ -159,7 +163,6 @@ public:
        SdrModel& rModel,
        SdrLayerID nLay,
        const tools::Rectangle& rRect);
    ~ImpSdrGDIMetaFileImport();

    size_t DoImport(
        const GDIMetaFile& rMtf,