Rename IFWL classes which do not have CFWL equivalents

xfa/fwl/core/ifwl_form.h

Index: xfa/fwl/core/ifwl_form.h
diff --git a/xfa/fwl/core/ifwl_form.h b/xfa/fwl/core/ifwl_form.h
deleted file mode 100644
index 5c4c00dbf38f38004f7f264a4426953d9224f948..0000000000000000000000000000000000000000
--- a/xfa/fwl/core/ifwl_form.h
+++ /dev/null
@@ -1,101 +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_FORM_H_
-#define XFA_FWL_CORE_IFWL_FORM_H_
-
-#include <memory>
-
-#include "core/fxcrt/fx_system.h"
-#include "xfa/fwl/core/cfwl_widgetproperties.h"
-#include "xfa/fwl/core/ifwl_widget.h"
-
-#define FWL_CLASS_Form L"FWL_FORM"
-#define FWL_CLASS_FormProxy L"FWL_FORMPROXY"
-#define FWL_STYLEEXT_FRM_Resize (1L << 0)
-#define FWL_STYLEEXT_FRM_NativeBorder (1L << 1)
-#define FWL_STYLEEXT_FRM_RoundCorner (2L << 1)
-#define FWL_STYLEEXT_FRM_RoundCorner4 (3L << 1)
-#define FWL_STYLEEXT_FRM_NoDrawClient (1L << 3)
-#define FWL_STYLEEXT_FRM_BorderCornerMask (3L << 1)
-#define FWL_STYLEEXT_FRM_Max (3)
-
-#if (_FX_OS_ == _FX_MACOSX_)
-#define FWL_UseMacSystemBorder
-#endif
-
-class CFWL_MsgMouse;
-class CFWL_NoteLoop;
-class IFWL_Widget;
-class IFWL_ThemeProvider;
-class CFWL_SysBtn;
-
-class IFWL_Form : public IFWL_Widget {
- public:
-  IFWL_Form(const CFWL_App* app,
-            std::unique_ptr<CFWL_WidgetProperties> properties,
-            IFWL_Widget* pOuter);
-  ~IFWL_Form() override;
-
-  // IFWL_Widget
-  FWL_Type GetClassID() const override;
-  bool IsInstance(const CFX_WideStringC& wsClass) const override;
-  void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
-  void GetClientRect(CFX_RectF& rect) 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;
-  void OnProcessMessage(CFWL_Message* pMessage) override;
-  void OnDrawWidget(CFX_Graphics* pGraphics,
-                    const CFX_Matrix* pMatrix) override;
-
-  IFWL_Widget* DoModal();
-  void EndDoModal();
-
-  IFWL_Widget* GetSubFocus() const { return m_pSubFocus; }
-  void SetSubFocus(IFWL_Widget* pWidget) { m_pSubFocus = pWidget; }
-
- private:
-  void DrawBackground(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme);
-  void RemoveSysButtons();
-  CFWL_SysBtn* GetSysBtnAtPoint(FX_FLOAT fx, FX_FLOAT fy);
-  CFWL_SysBtn* GetSysBtnByState(uint32_t dwState);
-  CFWL_SysBtn* GetSysBtnByIndex(int32_t nIndex);
-  int32_t GetSysBtnIndex(CFWL_SysBtn* pBtn);
-  void GetEdgeRect(CFX_RectF& rtEdge);
-  void SetWorkAreaRect();
-  void Layout();
-  void ResetSysBtn();
-  void RegisterForm();
-  void UnRegisterForm();
-  void OnLButtonDown(CFWL_MsgMouse* pMsg);
-  void OnLButtonUp(CFWL_MsgMouse* pMsg);
-  void OnMouseMove(CFWL_MsgMouse* pMsg);
-  void OnMouseLeave(CFWL_MsgMouse* pMsg);
-  void OnLButtonDblClk(CFWL_MsgMouse* pMsg);
-
-#if (_FX_OS_ == _FX_MACOSX_)
-  bool m_bMouseIn;
-#endif
-  CFX_RectF m_rtRestore;
-  CFX_RectF m_rtRelative;
-  CFWL_SysBtn* m_pCloseBox;
-  CFWL_SysBtn* m_pMinBox;
-  CFWL_SysBtn* m_pMaxBox;
-  std::unique_ptr<CFWL_NoteLoop> m_pNoteLoop;
-  IFWL_Widget* m_pSubFocus;
-  FX_FLOAT m_fCXBorder;
-  FX_FLOAT m_fCYBorder;
-  int32_t m_iCaptureBtn;
-  int32_t m_iSysBox;
-  bool m_bLButtonDown;
-  bool m_bMaximized;
-  bool m_bSetMaximize;
-  bool m_bDoModalFlag;
-};
-
-#endif  // XFA_FWL_CORE_IFWL_FORM_H_