CFX_XML Cleanup

Cleanup formatting and unused variables in the CFX_XML classes.

Change-Id: I1aff6317a3da38a141a071ba69c7893d0f669732
Reviewed-on: https://pdfium-review.googlesource.com/30730
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>

testing/libfuzzer/pdf_xml_fuzzer.cc

diff --git a/testing/libfuzzer/pdf_xml_fuzzer.cc b/testing/libfuzzer/pdf_xml_fuzzer.cc
index b9cb015..97b9d3c 100644
--- a/testing/libfuzzer/pdf_xml_fuzzer.cc
+++ b/testing/libfuzzer/pdf_xml_fuzzer.cc
@@ -9,7 +9,7 @@
 #include "core/fxcrt/cfx_memorystream.h"
 #include "core/fxcrt/fx_safe_types.h"
 #include "core/fxcrt/fx_system.h"
-#include "core/fxcrt/xml/cfx_xmlnode.h"
+#include "core/fxcrt/xml/cfx_xmlelement.h"
 #include "core/fxcrt/xml/cfx_xmlparser.h"
 #include "third_party/base/ptr_util.h"
 
@@ -20,7 +20,7 @@
 
   auto stream = pdfium::MakeRetain<CFX_MemoryStream>(const_cast<uint8_t*>(data),
                                                      size, false);
-  auto root = pdfium::MakeUnique<CFX_XMLNode>();
+  auto root = pdfium::MakeUnique<CFX_XMLElement>(L"ROOT");
   CFX_XMLParser parser(root.get(), stream);
   if (!parser.Parse())
     return 0;