sc: replace boost::ptr_map with std::map<std::unique_ptr>

Change-Id: I2fbce996afcd7d1dabd7c540272d8877d034cf14

sc/source/ui/docshell/docfuncutil.cxx

@@ -24,6 +24,8 @@
 #include <global.hxx>
 #include <undoblk.hxx>
 
+#include <o3tl/make_unique.hxx>
+
 #include <memory>
 #include <utility>
 
@@ -99,11 +101,11 @@ std::unique_ptr<ScSimpleUndo::DataSpansType> DocFuncUtil::getNonEmptyCellSpans(
         SCROW nRow1 = rRange.aStart.Row(), nRow2 = rRange.aEnd.Row();
 
         std::pair<ScSimpleUndo::DataSpansType::iterator,bool> r =
-            pDataSpans->insert(nTab, new sc::ColumnSpanSet(false));
+            pDataSpans->insert(std::make_pair(nTab, o3tl::make_unique<sc::ColumnSpanSet>(false)));
 
         if (r.second)
         {
-            sc::ColumnSpanSet* pSet = r.first->second;
+            sc::ColumnSpanSet *const pSet = r.first->second.get();
             pSet->scan(rDoc, nTab, nCol1, nRow1, nCol2, nRow2, true);
         }
     }

sc/source/ui/inc/undobase.hxx

@@ -26,7 +26,8 @@
 #include "docsh.hxx"
 #include <columnspanset.hxx>
 
-#include <boost/ptr_container/ptr_map.hpp>
+#include <memory>
+#include <map>
 
 class ScDocument;
 class ScDocShell;
@@ -39,7 +40,7 @@ class ScSimpleUndo: public SfxUndoAction
     ScSimpleUndo(const ScSimpleUndo&) = delete;
 
 public:
-    typedef boost::ptr_map<SCTAB,sc::ColumnSpanSet> DataSpansType;
+    typedef std::map<SCTAB, std::unique_ptr<sc::ColumnSpanSet>> DataSpansType;
 
                     ScSimpleUndo( ScDocShell* pDocSh );
     virtual         ~ScSimpleUndo();