Rename IFWL classes which do not have CFWL equivalents

xfa/fwl/core/cfwl_scrollbar.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_SCROLLBAR_H_
-#define XFA_FWL_CORE_IFWL_SCROLLBAR_H_
+#ifndef XFA_FWL_CORE_CFWL_SCROLLBAR_H_
+#define XFA_FWL_CORE_CFWL_SCROLLBAR_H_
 
 #include <memory>
 
 #include "core/fxcrt/fx_system.h"
 #include "xfa/fwl/core/cfwl_evtscroll.h"
 #include "xfa/fwl/core/cfwl_timer.h"
 #include "xfa/fwl/core/cfwl_widgetproperties.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
 class IFWL_Widget;
 
 #define FWL_STYLEEXT_SCB_Horz (0L << 0)
 #define FWL_STYLEEXT_SCB_Vert (1L << 0)
 
-class IFWL_ScrollBar : public IFWL_Widget {
+class CFWL_ScrollBar : public IFWL_Widget {
  public:
-  IFWL_ScrollBar(const CFWL_App* app,
+  CFWL_ScrollBar(const CFWL_App* app,
                  std::unique_ptr<CFWL_WidgetProperties> properties,
                  IFWL_Widget* pOuter);
-  ~IFWL_ScrollBar() override;
+  ~CFWL_ScrollBar() override;
 
   // IFWL_Widget
   FWL_Type GetClassID() const override;
   void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
   void Update() override;
   void DrawWidget(CFX_Graphics* pGraphics,
                   const CFX_Matrix* pMatrix = nullptr) override;
   void OnProcessMessage(CFWL_Message* pMessage) override;
   void OnDrawWidget(CFX_Graphics* pGraphics,
                     const CFX_Matrix* pMatrix) override;
@@ skipping 12 matching lines @@
   void SetPageSize(FX_FLOAT fPageSize) { m_fPageSize = fPageSize; }
   FX_FLOAT GetStepSize() const { return m_fStepSize; }
   void SetStepSize(FX_FLOAT fStepSize) { m_fStepSize = fStepSize; }
   FX_FLOAT GetPos() const { return m_fPos; }
   void SetPos(FX_FLOAT fPos) { m_fPos = fPos; }
   void SetTrackPos(FX_FLOAT fTrackPos);
 
  private:
   class Timer : public CFWL_Timer {
    public:
-    explicit Timer(IFWL_ScrollBar* pToolTip);
+    explicit Timer(CFWL_ScrollBar* pToolTip);
     ~Timer() override {}
 
     void Run(CFWL_TimerInfo* pTimerInfo) override;
   };
-  friend class IFWL_ScrollBar::Timer;
+  friend class CFWL_ScrollBar::Timer;
 
   bool IsVertical() const {
     return !!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_SCB_Vert);
   }
   void DrawTrack(CFX_Graphics* pGraphics,
                  IFWL_ThemeProvider* pTheme,
                  bool bLower = true,
                  const CFX_Matrix* pMatrix = nullptr);
   void DrawArrowBtn(CFX_Graphics* pGraphics,
                     IFWL_ThemeProvider* pTheme,
@@ skipping 60 matching lines @@
   bool m_bMouseDown;
   FX_FLOAT m_fButtonLen;
   bool m_bMinSize;
   CFX_RectF m_rtClient;
   CFX_RectF m_rtThumb;
   CFX_RectF m_rtMinBtn;
   CFX_RectF m_rtMaxBtn;
   CFX_RectF m_rtMinTrack;
   CFX_RectF m_rtMaxTrack;
   FX_FLOAT m_fMinThumb;
-  IFWL_ScrollBar::Timer m_Timer;
+  CFWL_ScrollBar::Timer m_Timer;
 };
 
-#endif  // XFA_FWL_CORE_IFWL_SCROLLBAR_H_
+#endif  // XFA_FWL_CORE_CFWL_SCROLLBAR_H_