convert sc/source/filter/xml/XMLChangeTrackingExportHelper.hxx to OUString

Change-Id: I486739779d2d229da12c6f6c042fee83f72c7103

sc/source/filter/xml/XMLChangeTrackingExportHelper.cxx

@@ -229,10 +229,10 @@ void ScChangeTrackingExportHelper::WriteEmptyCell()
     SvXMLElementExport aElemEmptyCell(rExport, XML_NAMESPACE_TABLE, XML_CHANGE_TRACK_TABLE_CELL, true, true);
 }
 
-void ScChangeTrackingExportHelper::SetValueAttributes(const double& fValue, const String& sValue)
+void ScChangeTrackingExportHelper::SetValueAttributes(const double& fValue, const OUString& sValue)
 {
     bool bSetAttributes(false);
-    if (sValue.Len())
+    if (!sValue.isEmpty())
     {
         sal_uInt32 nIndex = 0;
         double fTempValue = 0.0;

sc/source/filter/xml/XMLChangeTrackingExportHelper.hxx

@@ -34,7 +34,6 @@ struct ScCellValue;
 class ScChangeActionDel;
 class ScBigRange;
 class ScEditEngineTextObj;
-class String;
 
 typedef std::list<ScChangeActionDel*> ScMyDeletionsList;
 typedef std::map<sal_uLong, ScChangeAction*> ScChangeActionMap;
@@ -60,7 +59,7 @@ class ScChangeTrackingExportHelper
     void WriteDependings(ScChangeAction* pAction);
 
     void WriteEmptyCell();
-    void SetValueAttributes(const double& fValue, const String& sValue);
+    void SetValueAttributes(const double& fValue, const OUString& sValue);
     void WriteValueCell(const ScCellValue& rCell, const OUString& sValue);
     void WriteStringCell(const ScCellValue& rCell);
     void WriteEditCell(const ScCellValue& rCell);