Remove set but unsed variables.

xfa/src/fxbarcode/oned/BC_OnedUPCAWriter.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 2010 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 112 matching lines @@
   int32_t iLen = str.GetLength();
   FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen);
   FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen);
   CFX_ByteString tempStr = str.Mid(1, 5);
   FX_FLOAT strWidth = (FX_FLOAT)35 * multiple;
   FX_FLOAT blank = 0.0;
   CFX_FxgeDevice geBitmap;
   if (pOutBitmap) {
     geBitmap.Attach(pOutBitmap);
   }
-  FX_FLOAT charsWidth = 0;
   iLen = tempStr.GetLength();
   int32_t iFontSize = (int32_t)fabs(m_fFontSize);
   int32_t iTextHeight = iFontSize + 1;
   if (pOutBitmap == NULL) {
     CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
     CFX_FloatRect rect(
         (FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHeight),
         (FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height);
     matr.Concat(*matrix);
     matr.TransformRect(rect);
@@ skipping 49 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(6, 5);
   iLen = tempStr.GetLength();
-  charsWidth = 0.0f;
   CalcTextInfo(tempStr, pCharPos + 6, m_pFont, strWidth, iFontSize, blank);
   if (pOutBitmap) {
     FX_RECT rect2(0, 0, (int)strWidth, iTextHeight);
     ge.FillRect(&rect2, m_backgroundColor);
     ge.DrawNormalText(iLen, pCharPos + 6, m_pFont,
                       CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize,
                       (CFX_Matrix*)&affine_matrix, m_fontColor,
                       FXTEXT_CLEARTYPE);
     geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 40 * multiple,
                        m_Height - iTextHeight);
@@ skipping 65 matching lines @@
   }
   FX_Free(pCharPos);
 }
 void CBC_OnedUPCAWriter::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);
 }