Clean up fx_codec_fax.cpp.

testing/libfuzzer/pdf_codec_fax_fuzzer.cc

 // Copyright 2016 The 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.
 
 #include <cstdint>
 #include <memory>
 
 #include "core/fxcodec/codec/ccodec_faxmodule.h"
 #include "core/fxcodec/codec/ccodec_scanlinedecoder.h"
 
 static int GetInteger(const uint8_t* data) {
   return data[0] | data[1] << 8 | data[2] << 16 | data[3] << 24;
 }
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   const int kParameterSize = 21;
   if (size < kParameterSize)
     return 0;
 
   int width = GetInteger(data);
   int height = GetInteger(data + 4);
   int K = GetInteger(data + 8);
   int Columns = GetInteger(data + 12);
   int Rows = GetInteger(data + 16);
-  FX_BOOL EndOfLine = (data[20] & 0x01) == 0;
-  FX_BOOL ByteAlign = (data[20] & 0x02) == 0;
-  FX_BOOL BlackIs1 = (data[20] & 0x04) == 0;
+  bool EndOfLine = !(data[20] & 0x01);
+  bool ByteAlign = !(data[20] & 0x02);
+  bool BlackIs1 = !(data[20] & 0x04);
   data += kParameterSize;
   size -= kParameterSize;
 
   CCodec_FaxModule fax_module;
-  std::unique_ptr<CCodec_ScanlineDecoder> decoder;
-  decoder.reset(fax_module.CreateDecoder(data, size, width, height, K,
-                                         EndOfLine, ByteAlign, BlackIs1,
-                                         Columns, Rows));
+  std::unique_ptr<CCodec_ScanlineDecoder> decoder(
+      fax_module.CreateDecoder(data, size, width, height, K, EndOfLine,
+                               ByteAlign, BlackIs1, Columns, Rows));
 
   if (decoder) {
     int line = 0;
     while (decoder->GetScanline(line))
       line++;
   }
 
   return 0;
 }