Rename IFWL_App to CFWL_App

xfa/fwl/core/cfwl_widget.h

Index: xfa/fwl/core/cfwl_widget.h
diff --git a/xfa/fwl/core/cfwl_widget.h b/xfa/fwl/core/cfwl_widget.h
index 7f486585ab0cded2bfbee2b8ab6b920ea1268ef5..abb8d549bdb9e54c578a50d730bdfa7d555cf76c 100644
--- a/xfa/fwl/core/cfwl_widget.h
+++ b/xfa/fwl/core/cfwl_widget.h
@@ -20,7 +20,7 @@ class CFWL_WidgetMgr;
 
 class CFWL_Widget {
  public:
-  explicit CFWL_Widget(const IFWL_App*);
+  explicit CFWL_Widget(const CFWL_App*);
   virtual ~CFWL_Widget();
 
   IFWL_Widget* GetWidget() { return m_pIface.get(); }
@@ -50,7 +50,7 @@ class CFWL_Widget {
  protected:
   void Initialize();
 
-  const IFWL_App* m_pApp;
+  const CFWL_App* m_pApp;
   std::unique_ptr<IFWL_Widget> m_pIface;
 };