Remove xfa/src/fwl/src and move code up a level.

xfa/src/fwl/src/basewidget/fwl_pushbuttonimp.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_SRC_FWL_SRC_BASEWIDGET_FWL_PUSHBUTTONIMP_H_
-#define XFA_SRC_FWL_SRC_BASEWIDGET_FWL_PUSHBUTTONIMP_H_
-
-#include "xfa/src/fwl/src/core/fwl_widgetimp.h"
-
-class CFWL_WidgetImpProperties;
-class IFWL_Widget;
-class CFWL_PushButtonImpDelegate;
-
-class CFWL_PushButtonImp : public CFWL_WidgetImp {
- public:
-  CFWL_PushButtonImp(const CFWL_WidgetImpProperties& properties,
-                     IFWL_Widget* pOuter);
-  virtual ~CFWL_PushButtonImp();
-  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
-  virtual FX_DWORD GetClassID() const;
-  virtual FWL_ERR Initialize();
-  virtual FWL_ERR Finalize();
-  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
-  virtual FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE);
-  virtual FWL_ERR Update();
-  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
-                             const CFX_Matrix* pMatrix = NULL);
-
- protected:
-  void DrawBkground(CFX_Graphics* pGraphics,
-                    IFWL_ThemeProvider* pTheme,
-                    const CFX_Matrix* pMatrix);
-  void DrawText(CFX_Graphics* pGraphics,
-                IFWL_ThemeProvider* pTheme,
-                const CFX_Matrix* pMatrix);
-  FX_DWORD GetPartStates();
-  void UpdateTextOutStyles();
-  CFX_RectF m_rtClient;
-  CFX_RectF m_rtCaption;
-  FX_BOOL m_bBtnDown;
-  FX_DWORD m_dwTTOStyles;
-  int32_t m_iTTOAlign;
-  friend class CFWL_PushButtonImpDelegate;
-};
-class CFWL_PushButtonImpDelegate : public CFWL_WidgetImpDelegate {
- public:
-  CFWL_PushButtonImpDelegate(CFWL_PushButtonImp* pOwner);
-  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
-  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
-  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
-                       const CFX_Matrix* pMatrix = NULL) override;
-
- protected:
-  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
-  void OnLButtonDown(CFWL_MsgMouse* pMsg);
-  void OnLButtonUp(CFWL_MsgMouse* pMsg);
-  void OnMouseMove(CFWL_MsgMouse* pMsg);
-  void OnMouseLeave(CFWL_MsgMouse* pMsg);
-  void OnKeyDown(CFWL_MsgKey* pMsg);
-  CFWL_PushButtonImp* m_pOwner;
-};
-
-#endif  // XFA_SRC_FWL_SRC_BASEWIDGET_FWL_PUSHBUTTONIMP_H_