convert include/sfx2/titledockwin.hxx from String to OUString

Change-Id: Ifd4f1548ad98665288b2b2ea8f14fa0a7e3bd697

include/sfx2/titledockwin.hxx

@@ -50,7 +50,7 @@ namespace sfx2
 
         /** sets a title to be displayed in the docking window
         */
-        void        SetTitle( const String& i_rTitle );
+        void        SetTitle( const OUString& i_rTitle );
 
         /** adds a drop down item to the toolbox. Usually, this is used to add some kind of menu to the toolbox.
 
@@ -63,7 +63,7 @@ namespace sfx2
             @return
                 the ID of the newly created toolbox item
         */
-        sal_uInt16  AddDropDownToolBoxItem( const String& i_rItemText, const OString& i_nHelpId, const Link& i_rCallback )
+        sal_uInt16  AddDropDownToolBoxItem( const OUString& i_rItemText, const OString& i_nHelpId, const Link& i_rCallback )
         {
             return impl_addDropDownToolBoxItem( i_rItemText, i_nHelpId, i_rCallback );
         }
@@ -113,13 +113,13 @@ namespace sfx2
 
         /** internal version of AddDropDownToolBoxItem
         */
-        sal_uInt16  impl_addDropDownToolBoxItem( const String& i_rItemText, const OString& i_nHelpId, const Link& i_rCallback );
+        sal_uInt16  impl_addDropDownToolBoxItem( const OUString& i_rItemText, const OString& i_nHelpId, const Link& i_rCallback );
 
         /** returns the current title.
 
             If no title has been set via SetTitle, then the window text (Window::GetText) is returned.
         */
-        String  impl_getTitle() const;
+        OUString  impl_getTitle() const;
 
     private:
         DECL_LINK( OnToolboxItemSelected, ToolBox* );

sfx2/source/dialog/titledockwin.cxx

@@ -81,7 +81,7 @@ namespace sfx2
     }
 
     //------------------------------------------------------------------------------------------------------------------
-    void TitledDockingWindow::SetTitle( const String& i_rTitle )
+    void TitledDockingWindow::SetTitle( const OUString& i_rTitle )
     {
         m_sTitle = i_rTitle;
         Invalidate();
@@ -220,7 +220,7 @@ namespace sfx2
     }
 
     //------------------------------------------------------------------------------------------------------------------
-    String TitledDockingWindow::impl_getTitle() const
+    OUString TitledDockingWindow::impl_getTitle() const
     {
         return !m_sTitle.isEmpty() ? m_sTitle : GetText();
     }
@@ -237,7 +237,7 @@ namespace sfx2
     }
 
     //------------------------------------------------------------------------------------------------------------------
-    sal_uInt16 TitledDockingWindow::impl_addDropDownToolBoxItem( const String& i_rItemText, const OString& i_nHelpId, const Link& i_rCallback )
+    sal_uInt16 TitledDockingWindow::impl_addDropDownToolBoxItem( const OUString& i_rItemText, const OString& i_nHelpId, const Link& i_rCallback )
     {
         // Add the menu before the closer button.
         const sal_uInt16 nItemCount( m_aToolbox.GetItemCount() );