Rename IFWL_App to CFWL_App

xfa/fwl/core/ifwl_spinbutton.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FWL_CORE_IFWL_SPINBUTTON_H_
 #define XFA_FWL_CORE_IFWL_SPINBUTTON_H_
 
 #include <memory>
 
 #include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/cfwl_timer.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 #include "xfa/fxfa/cxfa_eventparam.h"
 
 #define FWL_STYLEEXE_SPB_Vert (1L << 0)
 
 class CFWL_MsgMouse;
 class CFWL_WidgetProperties;
 
 class IFWL_SpinButton : public IFWL_Widget {
  public:
-  IFWL_SpinButton(const IFWL_App* app,
+  IFWL_SpinButton(const CFWL_App* app,
                   std::unique_ptr<CFWL_WidgetProperties> properties);
   ~IFWL_SpinButton() override;
 
   // IFWL_Widget
   FWL_Type GetClassID() const override;
   void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
   void Update() override;
   FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
   void DrawWidget(CFX_Graphics* pGraphics,
                   const CFX_Matrix* pMatrix = nullptr) override;
@@ skipping 32 matching lines @@
   CFX_RectF m_rtDnButton;
   uint32_t m_dwUpState;
   uint32_t m_dwDnState;
   int32_t m_iButtonIndex;
   bool m_bLButtonDwn;
   CFWL_TimerInfo* m_pTimerInfo;
   IFWL_SpinButton::Timer m_Timer;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_SPINBUTTON_H_