Remove set but unsed variables.

xfa/src/fxfa/src/fm2js/xfa_fm2jscontext.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 <time.h>
 
 #include "xfa/src/fxfa/src/common/fxfa_localevalue.h"
 #include "xfa/src/fxfa/src/fm2js/xfa_fm2js.h"
@@ skipping 4040 matching lines @@
       ++i;
     }
     if (i < iCount) {
       continue;
     }
     if (ch >= 0x80 && ch <= 0xff) {
       int32_t iIndex = ch / 16;
       strEncode[1] = strCode[iIndex];
       strEncode[2] = strCode[ch - iIndex * 16];
       wsResultBuf << FX_WSTRC(strEncode);
-    } else if ((ch >= 0x0 && ch <= 0x1f) || ch == 0x7f) {
+    } else if (ch <= 0x1f || ch == 0x7f) {
       int32_t iIndex = ch / 16;
       strEncode[1] = strCode[iIndex];
       strEncode[2] = strCode[ch - iIndex * 16];
       wsResultBuf << FX_WSTRC(strEncode);
     } else if (ch >= 0x20 && ch <= 0x7e) {
       wsResultBuf.AppendChar(ch);
     } else {
       int32_t iRadix = 16;
       CFX_WideString strTmp;
       while (ch >= iRadix) {
@@ skipping 639 matching lines @@
   } else {
     pContext->ThrowScriptErrorMessage(XFA_IDS_INCORRECT_NUMBER_OF_METHOD,
                                       L"Parse");
   }
 }
 void CXFA_FM2JSContext::Replace(FXJSE_HOBJECT hThis,
                                 const CFX_ByteStringC& szFuncName,
                                 CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if ((argc == 2) || (argc == 3)) {
-    FX_BOOL bFlags = FALSE;
     FXJSE_HVALUE argOne = GetSimpleHValue(hThis, args, 0);
     FXJSE_HVALUE argTwo = GetSimpleHValue(hThis, args, 1);
     FXJSE_HVALUE argThree = 0;
     CFX_ByteString oneString;
     CFX_ByteString twoString;
     CFX_ByteString threeString;
-    if ((HValueIsNull(hThis, argOne)) || (HValueIsNull(hThis, argTwo))) {
-      bFlags = TRUE;
-    } else {
+    if (!HValueIsNull(hThis, argOne) && !HValueIsNull(hThis, argTwo)) {
       HValueToUTF8String(argOne, oneString);
       HValueToUTF8String(argTwo, twoString);
     }
     if (argc == 3) {
       argThree = GetSimpleHValue(hThis, args, 2);
       HValueToUTF8String(argThree, threeString);
     }
     int32_t iSrcLen = oneString.GetLength();
     int32_t iFindLen = twoString.GetLength();
     CFX_ByteTextBuf resultString;
@@ skipping 247 matching lines @@
         (CXFA_FM2JSContext*)FXJSE_Value_ToObject(hThis, NULL);
     pContext->ThrowScriptErrorMessage(XFA_IDS_INCORRECT_NUMBER_OF_METHOD,
                                       L"Str");
   }
 }
 void CXFA_FM2JSContext::Stuff(FXJSE_HOBJECT hThis,
                               const CFX_ByteStringC& szFuncName,
                               CFXJSE_Arguments& args) {
   int32_t argc = args.GetLength();
   if ((argc == 3) || (argc == 4)) {
-    FX_BOOL bFlags = FALSE;
     CFX_ByteString sourceString;
     CFX_ByteString insertString;
     int32_t iLength = 0;
     int32_t iStart = 0;
     int32_t iDelete = 0;
     FXJSE_HVALUE sourceValue = GetSimpleHValue(hThis, args, 0);
     FXJSE_HVALUE startValue = GetSimpleHValue(hThis, args, 1);
     FXJSE_HVALUE deleteValue = GetSimpleHValue(hThis, args, 2);
     FXJSE_HVALUE insertValue = 0;
-    if ((FXJSE_Value_IsNull(sourceValue)) || (FXJSE_Value_IsNull(startValue)) ||
-        (FXJSE_Value_IsNull(deleteValue))) {
-      bFlags = TRUE;
-    } else {
+    if (!FXJSE_Value_IsNull(sourceValue) && !FXJSE_Value_IsNull(startValue) &&
+        !FXJSE_Value_IsNull(deleteValue)) {
       HValueToUTF8String(sourceValue, sourceString);
       iLength = sourceString.GetLength();
       iStart = (int32_t)HValueToFloat(hThis, startValue);
       if (iStart < 1) {
         iStart = 1;
       }
       if (iStart > iLength) {
         iStart = iLength;
       }
       iDelete = (int32_t)HValueToFloat(hThis, deleteValue);
@@ skipping 2192 matching lines @@
   FXSYS_assert(pAppProvider);
   CFX_WideString wsFormat;
   pAppProvider->LoadString(iStringID, wsFormat);
   CFX_WideString wsMessage;
   va_list arg_ptr;
   va_start(arg_ptr, iStringID);
   wsMessage.FormatV((const FX_WCHAR*)wsFormat, arg_ptr);
   va_end(arg_ptr);
   FXJSE_ThrowMessage("", FX_UTF8Encode(wsMessage, wsMessage.GetLength()));
 }