Remove unused variables

BUG=pdfium:261
R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1413343003 .

4 files changed, 1 insertions, 7 deletions

diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417.cpp b/xfa/src/fxbarcode/pdf417/BC_PDF417.cpp
index f38758f4bc..a3db95ddf5 100644
--- a/xfa/src/fxbarcode/pdf417/BC_PDF417.cpp
+++ b/xfa/src/fxbarcode/pdf417/BC_PDF417.cpp
@@ -506,7 +506,6 @@ void CBC_PDF417::encodeLowLevel(CFX_WideString fullCodewords,
   for (int32_t y = 0; y < r; y++) {

     int32_t cluster = y % 3;

     logic->startRow();

-    int32_t a = START_PATTERN;

     encodeChar(START_PATTERN, 17, logic->getCurrentRow());

     int32_t left;

     int32_t right;

diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.cpp b/xfa/src/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.cpp
index a0d8b697d0..9e0351fd35 100644
--- a/xfa/src/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.cpp
+++ b/xfa/src/fxbarcode/pdf417/BC_PDF417ECErrorCorrection.cpp
@@ -284,7 +284,6 @@ CFX_PtrArray* CBC_PDF417ECErrorCorrection::runEuclideanAlgorithm(
     ttemp = t;

     j++;

   }

-  int32_t aa = t->getCoefficient(1);

   int32_t sigmaTildeAtZero = t->getCoefficient(0);

   if (sigmaTildeAtZero == 0) {

     e = BCExceptionChecksumException;

diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp b/xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp
index 80694b91f3..db321bc846 100644
--- a/xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp
+++ b/xfa/src/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.cpp
@@ -203,8 +203,6 @@ int32_t CBC_PDF417HighLevelEncoder::encodeText(CFX_WideString msg,
         break;

       case SUBMODE_MIXED:

         if (isMixed(ch)) {

-          FX_WCHAR a = MIXED[ch];

-          int32_t b = (int32_t)a;

           tmp += MIXED[ch];

         } else {

           if (isAlphaUpper(ch)) {

diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.cpp b/xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.cpp
index 1c12c6402f..a34213c153 100644
--- a/xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.cpp
+++ b/xfa/src/fxbarcode/pdf417/BC_PDF417ScanningDecoder.cpp
@@ -641,7 +641,6 @@ int32_t CBC_PDF417ScanningDecoder::adjustCodewordStartColumn(
   int32_t correctedStartColumn = codewordStartColumn;

   int32_t increment = leftToRight ? -1 : 1;

   for (int32_t i = 0; i < 2; i++) {

-    FX_BOOL l = image->Get(correctedStartColumn, imageRow);

     while (((leftToRight && correctedStartColumn >= minColumn) ||

             (!leftToRight && correctedStartColumn < maxColumn)) &&

            leftToRight == image->Get(correctedStartColumn, imageRow)) {

@@ -672,8 +671,7 @@ CBC_CommonDecoderResult* CBC_PDF417ScanningDecoder::decodeCodewords(
     return NULL;

   }

   int32_t numECCodewords = 1 << (ecLevel + 1);

-  int32_t correctedErrorsCount =

-      correctErrors(codewords, erasures, numECCodewords, e);

+  correctErrors(codewords, erasures, numECCodewords, e);

   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);

   verifyCodewordCount(codewords, numECCodewords, e);

   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);