Move the fpdfsdk/include/pdfwindow/ headers into fpdfsdk/pdfwindow.

fpdfsdk/include/pdfwindow/PWL_Caret.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 FPDFSDK_INCLUDE_PDFWINDOW_PWL_CARET_H_
-#define FPDFSDK_INCLUDE_PDFWINDOW_PWL_CARET_H_
-
-#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
-
-struct PWL_CARET_INFO {
- public:
-  PWL_CARET_INFO() : bVisible(FALSE), ptHead(0, 0), ptFoot(0, 0) {}
-
-  FX_BOOL bVisible;
-  CFX_FloatPoint ptHead;
-  CFX_FloatPoint ptFoot;
-};
-
-class CPWL_Caret : public CPWL_Wnd {
- public:
-  CPWL_Caret();
-  ~CPWL_Caret() override;
-
-  // CPWL_Wnd
-  CFX_ByteString GetClassName() const override;
-  void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) override;
-  void DrawThisAppearance(CFX_RenderDevice* pDevice,
-                          CFX_Matrix* pUser2Device) override;
-  void InvalidateRect(CFX_FloatRect* pRect = NULL) override;
-  void SetVisible(FX_BOOL bVisible) override {}
-  void TimerProc() override;
-
-  void SetCaret(FX_BOOL bVisible,
-                const CFX_FloatPoint& ptHead,
-                const CFX_FloatPoint& ptFoot);
-  CFX_ByteString GetCaretAppearanceStream(const CFX_FloatPoint& ptOffset);
-  void SetInvalidRect(CFX_FloatRect rc) { m_rcInvalid = rc; }
-
- private:
-  void GetCaretApp(CFX_ByteTextBuf& sAppStream, const CFX_FloatPoint& ptOffset);
-  CFX_FloatRect GetCaretRect() const;
-
-  FX_BOOL m_bFlash;
-  CFX_FloatPoint m_ptHead;
-  CFX_FloatPoint m_ptFoot;
-  FX_FLOAT m_fWidth;
-  int32_t m_nDelay;
-  CFX_FloatRect m_rcInvalid;
-};
-
-#endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_CARET_H_