Fix a few more warnings in chromium_code mode.

core/src/fpdfdoc/pdf_vt.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
 
 #define _PDF_VT_H_
 class CPVT_Size;
 class CPVT_FloatRect;
 struct CPVT_SectionInfo;
@@ skipping 585 matching lines @@
     FX_INT32                                                            m_nLimitChar;
     FX_INT32                                                            m_nCharArray;
     FX_BOOL                                                                     m_bMultiLine;
     FX_BOOL                                                                     m_bLimitWidth;
     FX_BOOL                                                                     m_bAutoFontSize;
     FX_INT32                                                            m_nAlignment;
     FX_FLOAT                                                            m_fLineLeading;
     FX_FLOAT                                                            m_fCharSpace;
     FX_INT32                                                            m_nHorzScale;
     FX_WORD                                                                     m_wSubWord;
-    FX_FLOAT                                                            m_fWordSpace;
     FX_FLOAT                                                            m_fFontSize;
 
 private:
     FX_BOOL                                                                     m_bInitial;
     FX_BOOL                                                                     m_bRichText;
-    FX_FLOAT                                                            m_fCaretOriginX;
-    FX_INT32                                                            m_nCurFontIndex;
     IPDF_VariableText_Provider *                        m_pVTProvider;
     CPDF_VariableText_Iterator *                        m_pVTIterator;
 };
 class CPDF_VariableText_Iterator : public IPDF_VariableText_Iterator, public CFX_Object
 {
 public:
     CPDF_VariableText_Iterator(CPDF_VariableText * pVT);
     virtual ~CPDF_VariableText_Iterator();
     FX_BOOL                                                                     NextWord();
     FX_BOOL                                                                     PrevWord();
     FX_BOOL                                                                     NextLine();
     FX_BOOL                                                                     PrevLine();
     FX_BOOL                                                                     NextSection();
     FX_BOOL                                                                     PrevSection();
     FX_BOOL                                                                     SetWord(const CPVT_Word & word);
     FX_BOOL                                                                     GetWord(CPVT_Word & word) const;
     FX_BOOL                                                                     GetLine(CPVT_Line & line) const;
     FX_BOOL                                                                     GetSection(CPVT_Section & section) const;
     FX_BOOL                                                                     SetSection(const CPVT_Section & section);
     void                                                                        SetAt(FX_INT32 nWordIndex);
     void                                                                        SetAt(const CPVT_WordPlace & place);
     const CPVT_WordPlace &                                      GetAt() const
     {
         return m_CurPos;
     };
 private:
     CPVT_WordPlace                                                      m_CurPos;
     CPDF_VariableText *                                         m_pVT;
 };