Update Fuchsia-specific code to use the new MX_ error names

runtime/bin/eventhandler_win.cc

Index: runtime/bin/eventhandler_win.cc
diff --git a/runtime/bin/eventhandler_win.cc b/runtime/bin/eventhandler_win.cc
index 43a686d8536e7bbcc7d23afebd0df0262843834d..0d47297886efcbbd4987a0576e03d33beb9699ae 100644
--- a/runtime/bin/eventhandler_win.cc
+++ b/runtime/bin/eventhandler_win.cc
@@ -539,7 +539,7 @@ void ListenSocket::AcceptComplete(OverlappedBuffer* buffer,
     SOCKET s = socket();
     int rc = setsockopt(buffer->client(), SOL_SOCKET, SO_UPDATE_ACCEPT_CONTEXT,
                         reinterpret_cast<char*>(&s), sizeof(s));
-    if (rc == NO_ERROR) {
+    if (rc == MX_OK) {

[zra, 2017/06/09 19:24:25]

This is a Windows file =)

       // Insert the accepted socket into the list.
       ClientSocket* client_socket = new ClientSocket(buffer->client());
       client_socket->mark_connected();
@@ -939,7 +939,7 @@ bool ClientSocket::IssueRead() {
   flags = 0;
   int rc = WSARecv(socket(), buffer->GetWASBUF(), 1, NULL, &flags,
                    buffer->GetCleanOverlapped(), NULL);
-  if ((rc == NO_ERROR) || (WSAGetLastError() == WSA_IO_PENDING)) {
+  if ((rc == MX_OK) || (WSAGetLastError() == WSA_IO_PENDING)) {
     pending_read_ = buffer;
     return true;
   }
@@ -958,7 +958,7 @@ bool ClientSocket::IssueWrite() {
 
   int rc = WSASend(socket(), pending_write_->GetWASBUF(), 1, NULL, 0,
                    pending_write_->GetCleanOverlapped(), NULL);
-  if ((rc == NO_ERROR) || (WSAGetLastError() == WSA_IO_PENDING)) {
+  if ((rc == MX_OK) || (WSAGetLastError() == WSA_IO_PENDING)) {
     return true;
   }
   OverlappedBuffer::DisposeBuffer(pending_write_);
@@ -1045,7 +1045,7 @@ bool DatagramSocket::IssueSendTo(struct sockaddr* sa, socklen_t sa_len) {
 
   int rc = WSASendTo(socket(), pending_write_->GetWASBUF(), 1, NULL, 0, sa,
                      sa_len, pending_write_->GetCleanOverlapped(), NULL);
-  if ((rc == NO_ERROR) || (WSAGetLastError() == WSA_IO_PENDING)) {
+  if ((rc == MX_OK) || (WSAGetLastError() == WSA_IO_PENDING)) {
     return true;
   }
   OverlappedBuffer::DisposeBuffer(pending_write_);
@@ -1068,7 +1068,7 @@ bool DatagramSocket::IssueRecvFrom() {
   int rc = WSARecvFrom(socket(), buffer->GetWASBUF(), 1, NULL, &flags,
                        buffer->from(), buffer->from_len_addr(),
                        buffer->GetCleanOverlapped(), NULL);
-  if ((rc == NO_ERROR) || (WSAGetLastError() == WSA_IO_PENDING)) {
+  if ((rc == MX_OK) || (WSAGetLastError() == WSA_IO_PENDING)) {
     pending_read_ = buffer;
     return true;
   }