filter: inline PptFontCollection to avoid inheritance of std::vector

Change-Id: Ib431f6f69dc3da958629f54d6d2a1ce76b9d63a5
Reviewed-on: https://gerrit.libreoffice.org/69108
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/filter/source/msfilter/svdfppt.cxx b/filter/source/msfilter/svdfppt.cxx
index 69597b3..7b4e365 100644
--- a/filter/source/msfilter/svdfppt.cxx
+++ b/filter/source/msfilter/svdfppt.cxx
@@ -461,10 +461,6 @@ SvStream& ReadPptFontEntityAtom( SvStream& rIn, PptFontEntityAtom& rAtom )
    return rIn;
}

class PptFontCollection : public std::vector<std::unique_ptr<PptFontEntityAtom>>
{
};

SvStream& ReadPptUserEditAtom( SvStream& rIn, PptUserEditAtom& rAtom )
{
    sal_Int16 lastViewType = 0;
@@ -2163,7 +2159,7 @@ bool SdrPowerPointImport::ReadFontCollection()
            {
                bRet = true;
                if (!m_pFonts)
                    m_pFonts.reset( new PptFontCollection );
                    m_pFonts.reset( new std::vector<std::unique_ptr<PptFontEntityAtom>> );
                std::unique_ptr<PptFontEntityAtom> pFont(new PptFontEntityAtom);
                ReadPptFontEntityAtom( rStCtrl, *pFont );

diff --git a/include/filter/msfilter/svdfppt.hxx b/include/filter/msfilter/svdfppt.hxx
index f907cc0..66be395 100644
--- a/include/filter/msfilter/svdfppt.hxx
+++ b/include/filter/msfilter/svdfppt.hxx
@@ -281,7 +281,6 @@ struct PptFontEntityAtom
    friend SvStream& ReadPptFontEntityAtom(SvStream& rIn, PptFontEntityAtom& rAtom);
};

class PptFontCollection;
enum class PptViewTypeEnum : sal_uInt16
{
    NONE = 0,
@@ -463,7 +462,7 @@ protected:

    ::std::vector< PPTOleEntry > aOleObjectList;

    std::unique_ptr<PptFontCollection> m_pFonts;
    std::unique_ptr<std::vector<std::unique_ptr<PptFontEntityAtom>>> m_pFonts;

    sal_uInt32          nStreamLen;