Move xfa_basic_imp to cxfa_widetextread.

testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc

Index: testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc
diff --git a/testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc b/testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc
index 54cc410a369be29228f636ff64fc5a5f8ba70b3d..501c4ff38bf7b62f85ca60fd9718e7f0d0f8a4b5 100644
--- a/testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc
+++ b/testing/libfuzzer/pdf_cfx_saxreader_fuzzer.cc
@@ -6,13 +6,13 @@
 
 #include "xfa/fde/xml/cfx_saxreader.h"
 #include "xfa/fgas/crt/fgas_stream.h"
-#include "xfa/fxfa/parser/xfa_utils.h"
+#include "xfa/fxfa/parser/cxfa_widetextread.h"
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   CFX_WideString input = CFX_WideString::FromUTF8(
       CFX_ByteStringC(data, static_cast<FX_STRSIZE>(size)));
   std::unique_ptr<IFX_Stream, ReleaseDeleter<IFX_Stream>> stream(
-      XFA_CreateWideTextRead(input));
+      new CXFA_WideTextRead(input));
   if (!stream)
     return 0;