Rename IFWL classes which do not have CFWL equivalents

xfa/fwl/core/ifwl_scrollbar.h

Index: xfa/fwl/core/ifwl_scrollbar.h
diff --git a/xfa/fwl/core/ifwl_scrollbar.h b/xfa/fwl/core/ifwl_scrollbar.h
deleted file mode 100644
index a5619b79a4030ce53d3f29be74f09fc12e7da260..0000000000000000000000000000000000000000
--- a/xfa/fwl/core/ifwl_scrollbar.h
+++ /dev/null
@@ -1,150 +0,0 @@
-// 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_
-
-#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 {
- public:
-  IFWL_ScrollBar(const CFWL_App* app,
-                 std::unique_ptr<CFWL_WidgetProperties> properties,
-                 IFWL_Widget* pOuter);
-  ~IFWL_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;
-
-  void GetRange(FX_FLOAT* fMin, FX_FLOAT* fMax) const {
-    ASSERT(fMin);
-    ASSERT(fMax);
-    *fMin = m_fRangeMin;
-    *fMax = m_fRangeMax;
-  }
-  void SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
-    m_fRangeMin = fMin;
-    m_fRangeMax = fMax;
-  }
-  FX_FLOAT GetPageSize() const { return m_fPageSize; }
-  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);
-    ~Timer() override {}
-
-    void Run(CFWL_TimerInfo* pTimerInfo) override;
-  };
-  friend class IFWL_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,
-                    bool bMinBtn = true,
-                    const CFX_Matrix* pMatrix = nullptr);
-  void DrawThumb(CFX_Graphics* pGraphics,
-                 IFWL_ThemeProvider* pTheme,
-                 const CFX_Matrix* pMatrix = nullptr);
-  void Layout();
-  void CalcButtonLen();
-  void CalcMinButtonRect(CFX_RectF& rect);
-  void CalcMaxButtonRect(CFX_RectF& rect);
-  void CalcThumbButtonRect(CFX_RectF& rect);
-  void CalcMinTrackRect(CFX_RectF& rect);
-  void CalcMaxTrackRect(CFX_RectF& rect);
-  FX_FLOAT GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy);
-  void GetTrackRect(CFX_RectF& rect, bool bLower = true);
-  bool SendEvent();
-  bool OnScroll(FWL_SCBCODE dwCode, FX_FLOAT fPos);
-  void OnLButtonDown(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy);
-  void OnLButtonUp(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy);
-  void OnMouseMove(uint32_t dwFlags, FX_FLOAT fx, FX_FLOAT fy);
-  void OnMouseLeave();
-  void OnMouseWheel(FX_FLOAT fx,
-                    FX_FLOAT fy,
-                    uint32_t dwFlags,
-                    FX_FLOAT fDeltaX,
-                    FX_FLOAT fDeltaY);
-  bool DoScroll(FWL_SCBCODE dwCode, FX_FLOAT fPos = 0.0f);
-  void DoMouseDown(int32_t iItem,
-                   const CFX_RectF& rtItem,
-                   int32_t& iState,
-                   FX_FLOAT fx,
-                   FX_FLOAT fy);
-  void DoMouseUp(int32_t iItem,
-                 const CFX_RectF& rtItem,
-                 int32_t& iState,
-                 FX_FLOAT fx,
-                 FX_FLOAT fy);
-  void DoMouseMove(int32_t iItem,
-                   const CFX_RectF& rtItem,
-                   int32_t& iState,
-                   FX_FLOAT fx,
-                   FX_FLOAT fy);
-  void DoMouseLeave(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState);
-  void DoMouseHover(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState);
-
-  CFWL_TimerInfo* m_pTimerInfo;
-  FX_FLOAT m_fRangeMin;
-  FX_FLOAT m_fRangeMax;
-  FX_FLOAT m_fPageSize;
-  FX_FLOAT m_fStepSize;
-  FX_FLOAT m_fPos;
-  FX_FLOAT m_fTrackPos;
-  int32_t m_iMinButtonState;
-  int32_t m_iMaxButtonState;
-  int32_t m_iThumbButtonState;
-  int32_t m_iMinTrackState;
-  int32_t m_iMaxTrackState;
-  FX_FLOAT m_fLastTrackPos;
-  FX_FLOAT m_cpTrackPointX;
-  FX_FLOAT m_cpTrackPointY;
-  int32_t m_iMouseWheel;
-  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;
-};
-
-#endif  // XFA_FWL_CORE_IFWL_SCROLLBAR_H_