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

chrome/browser/safe_browsing/protocol_parser.cc

Index: chrome/browser/safe_browsing/protocol_parser.cc
diff --git a/chrome/browser/safe_browsing/protocol_parser.cc b/chrome/browser/safe_browsing/protocol_parser.cc
index e9ca15a6e0dafc76a02fda2fad59fe479107d381..ba207be20b7051ade7170e01120865c59dbacaff 100644
--- a/chrome/browser/safe_browsing/protocol_parser.cc
+++ b/chrome/browser/safe_browsing/protocol_parser.cc
@@ -452,7 +452,7 @@ bool SafeBrowsingProtocolParser::ReadChunkId(
   memcpy(chunk_id, *data, sizeof(*chunk_id));
   *data += sizeof(*chunk_id);
   *remaining -= sizeof(*chunk_id);
-  *chunk_id = htonl(*chunk_id);
+  *chunk_id = base::HostToNet32(*chunk_id);
   DCHECK_GE(*remaining, 0);
   return true;
 }