convert sd/.../TitleBar.hxx from String to OUString

Change-Id: I5e98c11d27a890cb70808a860c6edcf43f87a314

sd/source/ui/inc/taskpane/TitleBar.hxx

@@ -54,7 +54,7 @@ public:
     */
     TitleBar (
         ::Window* pParent,
-        const String& rsTitle,
+        const OUString& rsTitle,
         TitleBarType eType,
         bool bIsExpandable);
     virtual ~TitleBar (void);
@@ -83,7 +83,7 @@ public:
 
     virtual void DataChanged (const DataChangedEvent& rEvent);
 
-    String GetTitle (void) const;
+    OUString GetTitle() const { return msTitle; }
 
     ::com::sun::star::uno::Reference<
         ::com::sun::star::accessibility::XAccessible > CreateAccessibleObject (
@@ -92,7 +92,7 @@ public:
 
 private:
     TitleBarType meType;
-    String msTitle;
+    OUString msTitle;
     bool mbExpanded;
     bool mbFocused;
     // Size of the bounding box that encloses the title string.

sd/source/ui/toolpanel/TitleBar.cxx

@@ -49,7 +49,7 @@ namespace sd { namespace toolpanel {
 
 const int TitleBar::snIndentationWidth = 16;
 
-TitleBar::TitleBar ( ::Window* pParent, const String& rsTitle, TitleBarType eType, bool bIsExpandable)
+TitleBar::TitleBar ( ::Window* pParent, const OUString& rsTitle, TitleBarType eType, bool bIsExpandable)
 : ::Window (pParent, WB_TABSTOP)
 , TreeNode(this)
 , meType(eType)
@@ -541,14 +541,6 @@ void TitleBar::DataChanged (const DataChangedEvent& rEvent)
 
 
 
-String TitleBar::GetTitle (void) const
-{
-    return msTitle;
-}
-
-
-
-
 ::com::sun::star::uno::Reference<
     ::com::sun::star::accessibility::XAccessible > TitleBar::CreateAccessibleObject (
         const ::com::sun::star::uno::Reference<