Cosmetic changes ("set up" is a verb, "setup" is a noun).

src/platform-posix.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 443 matching lines @@
 }
 
 
 bool POSIXSocket::SetReuseAddress(bool reuse_address) {
   int on = reuse_address ? 1 : 0;
   int status = setsockopt(socket_, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
   return status == 0;
 }
 
 
-bool Socket::Setup() {
+bool Socket::SetUp() {
   // Nothing to do on POSIX.
   return true;
 }
 
 
 int Socket::LastError() {
   return errno;
 }
 
 
@@ skipping 16 matching lines @@
   return ntohl(value);
 }
 
 
 Socket* OS::CreateSocket() {
   return new POSIXSocket();
 }
 
 
 } }  // namespace v8::internal