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diff --git a/xfa/fxfa/cxfa_textparser.h b/xfa/fxfa/cxfa_textparser.h
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+++ b/xfa/fxfa/cxfa_textparser.h
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+// Copyright 2017 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_FXFA_CXFA_TEXTPARSER_H_
+#define XFA_FXFA_CXFA_TEXTPARSER_H_
+
+#include <map>
+#include <memory>
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxcrt/fx_system.h"
+#include "core/fxge/fx_dib.h"
+#include "xfa/fgas/font/cfgas_gefont.h"
+
+class CFDE_CSSComputedStyle;
+class CFDE_CSSStyleSelector;
+class CFDE_CSSStyleSheet;
+class CFX_XMLNode;
+class CXFA_CSSTagProvider;
+class CXFA_TextParseContext;
+class CXFA_TextProvider;
+class CXFA_TextTabstopsContext;
+
+class CXFA_TextParser {
+ public:
+  CXFA_TextParser();
+  virtual ~CXFA_TextParser();
+
+  void Reset();
+  void DoParse(CFX_XMLNode* pXMLContainer, CXFA_TextProvider* pTextProvider);
+
+  CFX_RetainPtr<CFDE_CSSComputedStyle> CreateRootStyle(
+      CXFA_TextProvider* pTextProvider);
+  CFX_RetainPtr<CFDE_CSSComputedStyle> ComputeStyle(
+      CFX_XMLNode* pXMLNode,
+      CFDE_CSSComputedStyle* pParentStyle);
+
+  bool IsParsed() const { return m_bParsed; }
+
+  int32_t GetVAlign(CXFA_TextProvider* pTextProvider) const;
+
+  float GetTabInterval(CFDE_CSSComputedStyle* pStyle) const;
+  int32_t CountTabs(CFDE_CSSComputedStyle* pStyle) const;
+
+  bool IsSpaceRun(CFDE_CSSComputedStyle* pStyle) const;
+  bool GetTabstops(CFDE_CSSComputedStyle* pStyle,
+                   CXFA_TextTabstopsContext* pTabstopContext);
+
+  CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_TextProvider* pTextProvider,
+                                      CFDE_CSSComputedStyle* pStyle) const;
+  float GetFontSize(CXFA_TextProvider* pTextProvider,
+                    CFDE_CSSComputedStyle* pStyle) const;
+
+  int32_t GetHorScale(CXFA_TextProvider* pTextProvider,
+                      CFDE_CSSComputedStyle* pStyle,
+                      CFX_XMLNode* pXMLNode) const;
+  int32_t GetVerScale(CXFA_TextProvider* pTextProvider,
+                      CFDE_CSSComputedStyle* pStyle) const;
+
+  void GetUnderline(CXFA_TextProvider* pTextProvider,
+                    CFDE_CSSComputedStyle* pStyle,
+                    int32_t& iUnderline,
+                    int32_t& iPeriod) const;
+  void GetLinethrough(CXFA_TextProvider* pTextProvider,
+                      CFDE_CSSComputedStyle* pStyle,
+                      int32_t& iLinethrough) const;
+  FX_ARGB GetColor(CXFA_TextProvider* pTextProvider,
+                   CFDE_CSSComputedStyle* pStyle) const;
+  float GetBaseline(CXFA_TextProvider* pTextProvider,
+                    CFDE_CSSComputedStyle* pStyle) const;
+  float GetLineHeight(CXFA_TextProvider* pTextProvider,
+                      CFDE_CSSComputedStyle* pStyle,
+                      bool bFirst,
+                      float fVerScale) const;
+
+  bool GetEmbbedObj(CXFA_TextProvider* pTextProvider,
+                    CFX_XMLNode* pXMLNode,
+                    CFX_WideString& wsValue);
+  CXFA_TextParseContext* GetParseContextFromMap(CFX_XMLNode* pXMLNode);
+
+ protected:
+  bool TagValidate(const CFX_WideString& str) const;
+
+ private:
+  void InitCSSData(CXFA_TextProvider* pTextProvider);
+  void ParseRichText(CFX_XMLNode* pXMLNode,
+                     CFDE_CSSComputedStyle* pParentStyle);
+  std::unique_ptr<CXFA_CSSTagProvider> ParseTagInfo(CFX_XMLNode* pXMLNode);
+  std::unique_ptr<CFDE_CSSStyleSheet> LoadDefaultSheetStyle();
+  CFX_RetainPtr<CFDE_CSSComputedStyle> CreateStyle(
+      CFDE_CSSComputedStyle* pParentStyle);
+
+  bool m_bParsed;
+  bool m_cssInitialized;
+  std::unique_ptr<CFDE_CSSStyleSelector> m_pSelector;
+  std::map<CFX_XMLNode*, std::unique_ptr<CXFA_TextParseContext>>
+      m_mapXMLNodeToParseContext;
+};
+
+#endif  // XFA_FXFA_CXFA_TEXTPARSER_H_