Add base::HostToNetXX() & NetToHostXX(), and use them to replace htonX() & ntohX() in Chrome.

content/browser/renderer_host/p2p/socket_host.cc

Index: content/browser/renderer_host/p2p/socket_host.cc
diff --git a/content/browser/renderer_host/p2p/socket_host.cc b/content/browser/renderer_host/p2p/socket_host.cc
index 0f071278458882294dff172e6a337e692ea34a90..575ce38c35e90c882b0cbe9ff1669263997356d8 100644
--- a/content/browser/renderer_host/p2p/socket_host.cc
+++ b/content/browser/renderer_host/p2p/socket_host.cc
@@ -34,15 +34,15 @@ bool P2PSocketHost::GetStunPacketType(
   if (data_size < kStunHeaderSize)
     return false;
 
-  uint32 cookie = ntohl(*reinterpret_cast<const uint32*>(data + 4));
+  uint32 cookie = base::NetToHost32(*reinterpret_cast<const uint32*>(data + 4));
   if (cookie != kStunMagicCookie)
     return false;
 
-  uint16 length = ntohs(*reinterpret_cast<const uint16*>(data + 2));
+  uint16 length = base::NetToHost16(*reinterpret_cast<const uint16*>(data + 2));
   if (length != data_size - kStunHeaderSize)
     return false;
 
-  int message_type = ntohs(*reinterpret_cast<const uint16*>(data));
+  int message_type = base::NetToHost16(*reinterpret_cast<const uint16*>(data));
 
   // Verify that the type is known:
   switch (message_type) {