Remove a few unused variables, functions, and member variables.

core/src/fpdfdoc/doc_vt.cpp

 // 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
 
 #include "../../include/fpdfdoc/fpdf_doc.h"
 #include "../../include/fpdfdoc/fpdf_vt.h"
 #include "pdf_vt.h"
 const FX_BYTE gFontSizeSteps[] = {      4, 6, 8, 9, 10, 12, 14, 18, 20, 25,     30, 35, 40, 45, 50,     55, 60, 70, 80, 90,     100, 110, 120, 130, 144};
@@ skipping 1723 matching lines @@
                 m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex + 1, 0, -1);
                 return TRUE;
             }
         }
     }
     return FALSE;
 }
 FX_BOOL CPDF_VariableText_Iterator::PrevLine()
 {
     ASSERT(m_pVT != NULL);
-    if (CSection * pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
+    if (m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
         if (m_CurPos.nLineIndex > 0) {
             m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex, m_CurPos.nLineIndex - 1, -1);
             return TRUE;
         } else {
             if (m_CurPos.nSecIndex > 0) {
                 if (CSection * pLastSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex - 1)) {
                     m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex - 1, pLastSection->m_LineArray.GetSize() - 1, -1);
                     return TRUE;
                 }
             }
@@ skipping 17 matching lines @@
         m_CurPos = CPVT_WordPlace(m_CurPos.nSecIndex - 1, 0, -1);
         return TRUE;
     }
     return FALSE;
 }
 FX_BOOL CPDF_VariableText_Iterator::GetWord(CPVT_Word & word) const
 {
     ASSERT(m_pVT != NULL);
     word.WordPlace = m_CurPos;
     if (CSection * pSection = m_pVT->m_SectionArray.GetAt(m_CurPos.nSecIndex)) {
-        if (CLine * pLine = pSection->m_LineArray.GetAt(m_CurPos.nLineIndex)) {
+        if (pSection->m_LineArray.GetAt(m_CurPos.nLineIndex)) {
             if (CPVT_WordInfo * pWord = pSection->m_WordArray.GetAt(m_CurPos.nWordIndex)) {
                 word.Word = pWord->Word;
                 word.nCharset = pWord->nCharset;
                 word.fWidth = m_pVT->GetWordWidth(*pWord);
                 word.ptWord = m_pVT->InToOut(
                                   CPDF_Point(pWord->fWordX + pSection->m_SecInfo.rcSection.left,
                                              pWord->fWordY + pSection->m_SecInfo.rcSection.top) );
                 word.fAscent = m_pVT->GetWordAscent(*pWord);
                 word.fDescent = m_pVT->GetWordDescent(*pWord);
                 if (pWord->pWordProps) {
@@ skipping 61 matching lines @@
         if (pSection->m_SecInfo.pSecProps) {
             *pSection->m_SecInfo.pSecProps = section.SecProps;
         }
         if (pSection->m_SecInfo.pWordProps) {
             *pSection->m_SecInfo.pWordProps = section.WordProps;
         }
         return TRUE;
     }
     return FALSE;
 }