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

sync/util/nigori.cc

Index: sync/util/nigori.cc
diff --git a/sync/util/nigori.cc b/sync/util/nigori.cc
index 168d8eb5ec6e02866e331630ebe9b45de1ed9449..af694a114331a33f0252870ab42bc9aa7e88094d 100644
--- a/sync/util/nigori.cc
+++ b/sync/util/nigori.cc
@@ -30,7 +30,7 @@ class NigoriStream {
   // Append the big-endian representation of the length of |value| with 32 bits,
   // followed by |value| itself to the stream.
   NigoriStream& operator<<(const std::string& value) {
-    uint32 size = htonl(value.size());
+    uint32 size = base::HostToNet32(value.size());
     stream_.write((char *) &size, sizeof(uint32));
     stream_ << value;
     return *this;
@@ -40,9 +40,9 @@ class NigoriStream {
   // followed by the big-endian representation of the value of |type|, with 32
   // bits, to the stream.
   NigoriStream& operator<<(const Nigori::Type type) {
-    uint32 size = htonl(sizeof(uint32));
+    uint32 size = base::HostToNet32(sizeof(uint32));
     stream_.write((char *) &size, sizeof(uint32));
-    uint32 value = htonl(type);
+    uint32 value = base::HostToNet32(type);
     stream_.write((char *) &value, sizeof(uint32));
     return *this;
   }