Avoid loading ws2_32.dll just to get htons() and friends.

net/base/net_util.cc

Index: net/base/net_util.cc
diff --git a/net/base/net_util.cc b/net/base/net_util.cc
index 5ecf74042bf250a4b164cb1aeeafa50b6d534aaa..2ba3b4688f1dc3718c58f0d03aa52ba211edebb3 100644
--- a/net/base/net_util.cc
+++ b/net/base/net_util.cc
@@ -48,6 +48,7 @@
 #include "base/stringprintf.h"
 #include "base/synchronization/lock.h"
 #include "base/sys_string_conversions.h"
+#include "base/sys_byteorder.h"
 #include "base/time.h"
 #include "base/utf_offset_string_conversions.h"
 #include "base/utf_string_conversions.h"
@@ -75,6 +76,14 @@
 
 using base::Time;
 
+#if defined(OS_WIN)
+// Allow htons/ntohs to be called without requiring ws2_32.dll to be loaded,
+// which isn't available in Chrome's sandbox. See crbug.com/116591.
+// TODO(wez): Replace these calls with base::htons() etc when available.
+#define ntohs(x) _byteswap_ushort(x)
+#define htons(x) _byteswap_ushort(x)
+#endif // OS_WIN
+
 namespace net {
 
 namespace {