Remove set but unsed variables.

xfa/src/fxbarcode/oned/BC_OnedEAN13Writer.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
 // Original code is licensed as follows:
 /*
  * Copyright 2009 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 189 matching lines @@
     int32_t strWidth1 = multiple * 7;
     CFX_Matrix matr2(m_outputHScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
     CFX_FloatRect rect2(0.0f, (FX_FLOAT)(m_Height - iTextHeight),
                         (FX_FLOAT)strWidth1 - 0.5f, (FX_FLOAT)m_Height);
     matr2.Concat(*matrix);
     matr2.TransformRect(rect2);
     re = rect2.GetOutterRect();
     device->FillRect(&re, m_backgroundColor);
   }
   FX_FLOAT blank = 0.0;
-  FX_FLOAT charsWidth = 0;
   iLen = tempStr.GetLength();
   if (pOutBitmap == NULL) {
     strWidth = (int32_t)(strWidth * m_outputHScale);
   }
   CalcTextInfo(tempStr, pCharPos + 1, m_pFont, (FX_FLOAT)strWidth, iFontSize,
                blank);
   CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize);
   CFX_FxgeDevice ge;
   if (pOutBitmap) {
     ge.Create(strWidth, iTextHeight, FXDIB_Argb);
@@ skipping 11 matching lines @@
     if (matrix) {
       affine_matrix1.Concat(*matrix);
     }
     device->DrawNormalText(iLen, pCharPos + 1, m_pFont,
                            CFX_GEModule::Get()->GetFontCache(),
                            (FX_FLOAT)iFontSize, (CFX_Matrix*)&affine_matrix1,
                            m_fontColor, FXTEXT_CLEARTYPE);
   }
   tempStr = str.Mid(7, 6);
   iLen = tempStr.GetLength();
-  charsWidth = 0.0f;
   CalcTextInfo(tempStr, pCharPos + 7, m_pFont, (FX_FLOAT)strWidth, iFontSize,
                blank);
   if (pOutBitmap) {
     FX_RECT rect1(0, 0, strWidth, iTextHeight);
     ge.FillRect(&rect1, m_backgroundColor);
     ge.DrawNormalText(iLen, pCharPos + 7, m_pFont,
                       CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize,
                       (CFX_Matrix*)&affine_matrix, m_fontColor,
                       FXTEXT_CLEARTYPE);
     geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 47 * multiple,
@@ skipping 41 matching lines @@
   }
   FX_Free(pCharPos);
 }
 void CBC_OnedEAN13Writer::RenderResult(const CFX_WideStringC& contents,
                                        uint8_t* code,
                                        int32_t codeLength,
                                        FX_BOOL isDevice,
                                        int32_t& e) {
   CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e);
 }