Some initial work on compiling chrome/common/ on Linux....

chrome/common/libxml_utils.cc

 // Copyright (c) 2006-2008 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 "chrome/common/libxml_utils.h"
+
+#include "base/compiler_specific.h"
 #include "base/logging.h"
+#include "base/string_util.h"
 
 #include "libxml/xmlreader.h"
 
 std::string XmlStringToStdString(const xmlChar* xmlstring) {
   // xmlChar*s are UTF-8, so this cast is safe.
   if (xmlstring)
     return std::string(reinterpret_cast<const char*>(xmlstring));
   else
     return "";
 }
 
 XmlReader::XmlReader()
     : reader_(NULL),
-#pragma warning(suppress: 4355)  // Okay to pass "this" here.
-      error_func_(this, &XmlReader::GenericErrorCallback) {
+      ALLOW_THIS_IN_INITIALIZER_LIST(
+          error_func_(this, &XmlReader::GenericErrorCallback)) {
 }
 
 XmlReader::~XmlReader() {
   if (reader_)
     xmlFreeTextReader(reader_);
 }
 
 /* static */ void XmlReader::GenericErrorCallback(void* context,
                                                   const char* msg, ...) {
   va_list args;
   va_start(args, msg);
-  char buffer[1 << 9];
-  vsnprintf_s(buffer, arraysize(buffer), _TRUNCATE, msg, args);
 
   XmlReader* reader = static_cast<XmlReader*>(context);
-  reader->errors_.append(buffer);
+  reader->errors_.append(StringPrintf(msg, args));
 }
 
 bool XmlReader::Load(const std::string& input) {
   const int kParseOptions =
       XML_PARSE_RECOVER |  // recover on errors
       XML_PARSE_NONET;     // forbid network access
   // TODO(evanm): Verify it's OK to pass NULL for the URL and encoding.
   // The libxml code allows for these, but it's unclear what effect is has.
   reader_ = xmlReaderForMemory(input.data(), static_cast<int>(input.size()),
                                NULL, NULL, kParseOptions);
@@ skipping 86 matching lines @@
   xmlTextWriterSetIndent(writer_, 1);
   xmlTextWriterStartDocument(writer_, NULL, NULL, NULL);
 }
 
 void XmlWriter::StopWriting() {
   xmlTextWriterEndDocument(writer_);
   xmlFreeTextWriter(writer_);
   writer_ = NULL;
 }