GTTF: Add a basic new unit test launcher.

third_party/libxml/chromium/libxml_utils.cc

 // Copyright (c) 2012 The Chromium 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 "libxml_utils.h"
 
 #include "libxml/xmlreader.h"
 
 std::string XmlStringToStdString(const xmlChar* xmlstring) {
   // xmlChar*s are UTF-8, so this cast is safe.
@@ skipping 30 matching lines @@
 
 bool XmlReader::NodeAttribute(const char* name, std::string* out) {
   xmlChar* value = xmlTextReaderGetAttribute(reader_, BAD_CAST name);
   if (!value)
     return false;
   *out = XmlStringToStdString(value);
   xmlFree(value);
   return true;
 }
 
+bool XmlReader::IsClosingElement() {
+  return NodeType() == XML_READER_TYPE_END_ELEMENT;
+}
+
 bool XmlReader::ReadElementContent(std::string* content) {
   const int start_depth = Depth();
 
   if (xmlTextReaderIsEmptyElement(reader_)) {
     // Empty tag.  We succesfully read the content, but it's
     // empty.
     *content = "";
     // Advance past this empty tag.
     if (!Read())
       return false;
@@ skipping 53 matching lines @@
   writer_ = xmlNewTextWriterMemory(buffer_, 0);
   xmlTextWriterSetIndent(writer_, 1);
   xmlTextWriterStartDocument(writer_, NULL, NULL, NULL);
 }
 
 void XmlWriter::StopWriting() {
   xmlTextWriterEndDocument(writer_);
   xmlFreeTextWriter(writer_);
   writer_ = NULL;
 }