crashtesting: fdo73974-1.doc assert on reexport to doc

try setting DefaultParentBaseURL based on the parent BaseURL
for objects created this way

Change-Id: Idfc44d90e4f73f23976e8648c504786955b4fce6
diff --git a/comphelper/source/container/embeddedobjectcontainer.cxx b/comphelper/source/container/embeddedobjectcontainer.cxx
index b813b96b..127798f 100644
--- a/comphelper/source/container/embeddedobjectcontainer.cxx
+++ b/comphelper/source/container/embeddedobjectcontainer.cxx
@@ -589,7 +589,7 @@ uno::Reference < embed::XEmbeddedObject > EmbeddedObjectContainer::InsertEmbedde
    return xRet;
}

uno::Reference < embed::XEmbeddedObject > EmbeddedObjectContainer::InsertEmbeddedObject( const css::uno::Sequence < css::beans::PropertyValue >& aMedium, OUString& rNewName )
uno::Reference < embed::XEmbeddedObject > EmbeddedObjectContainer::InsertEmbeddedObject( const css::uno::Sequence < css::beans::PropertyValue >& aMedium, OUString& rNewName, OUString const* pBaseURL )
{
    if ( rNewName.isEmpty() )
        rNewName = CreateUniqueObjectName();
@@ -598,9 +598,14 @@ uno::Reference < embed::XEmbeddedObject > EmbeddedObjectContainer::InsertEmbedde
    try
    {
        uno::Reference < embed::XEmbeddedObjectCreator > xFactory = embed::EmbeddedObjectCreator::create( ::comphelper::getProcessComponentContext() );
        uno::Sequence< beans::PropertyValue > aObjDescr( 1 );
        uno::Sequence< beans::PropertyValue > aObjDescr(pBaseURL ? 2 : 1);
        aObjDescr[0].Name = "Parent";
        aObjDescr[0].Value <<= pImpl->m_xModel.get();
        if (pBaseURL)
        {
            aObjDescr[1].Name = "DefaultParentBaseURL";
            aObjDescr[1].Value <<= *pBaseURL;
        }
        xObj.set( xFactory->createInstanceInitFromMediaDescriptor(
                pImpl->mxStorage, rNewName, aMedium, aObjDescr ), uno::UNO_QUERY );
        uno::Reference < embed::XEmbedPersist > xPersist( xObj, uno::UNO_QUERY );
diff --git a/filter/source/msfilter/msdffimp.cxx b/filter/source/msfilter/msdffimp.cxx
index f29cf4f..309cee3 100644
--- a/filter/source/msfilter/msdffimp.cxx
+++ b/filter/source/msfilter/msdffimp.cxx
@@ -6947,7 +6947,7 @@ css::uno::Reference < css::embed::XEmbeddedObject >  SvxMSDffManager::CheckForCo

            OUString aName( aDstStgName );
            comphelper::EmbeddedObjectContainer aCnt( rDestStorage );
            xObj = aCnt.InsertEmbeddedObject( aMedium, aName );
            xObj = aCnt.InsertEmbeddedObject(aMedium, aName, &rBaseURL);

            if ( !xObj.is() )
            {
@@ -6955,7 +6955,7 @@ css::uno::Reference < css::embed::XEmbeddedObject >  SvxMSDffManager::CheckForCo
                {
                    // throw the filter parameter away as workaround
                    aMedium.realloc( 2 );
                    xObj = aCnt.InsertEmbeddedObject( aMedium, aName );
                    xObj = aCnt.InsertEmbeddedObject(aMedium, aName, &rBaseURL);
                }

                if ( !xObj.is() )
diff --git a/include/comphelper/embeddedobjectcontainer.hxx b/include/comphelper/embeddedobjectcontainer.hxx
index 24153c2..b7cae38 100644
--- a/include/comphelper/embeddedobjectcontainer.hxx
+++ b/include/comphelper/embeddedobjectcontainer.hxx
@@ -110,7 +110,7 @@ public:
    // load an embedded object from a MediaDescriptor and insert it into the container
    // a new object will be created from the new content and returned
    css::uno::Reference < css::embed::XEmbeddedObject >
                        InsertEmbeddedObject( const css::uno::Sequence < css::beans::PropertyValue >&, OUString& );
                        InsertEmbeddedObject( const css::uno::Sequence < css::beans::PropertyValue >&, OUString& rName, OUString const* pBaseURL = nullptr);

    // create an embedded link based on a MediaDescriptor and insert it into the container
    // a new object will be created from the new content and returned