Add a SetDoNotFragment() method to DatagramSocket, and call this for

net/socket/ssl_client_socket_impl.cc

Index: net/socket/ssl_client_socket_impl.cc
diff --git a/net/socket/ssl_client_socket_impl.cc b/net/socket/ssl_client_socket_impl.cc
index e00ac6b13fa7ba3bb711229eb2e85a90aca470fb..38888ac924af48a790582bb40f3527933f907413 100644
--- a/net/socket/ssl_client_socket_impl.cc
+++ b/net/socket/ssl_client_socket_impl.cc
@@ -886,6 +886,10 @@ int SSLClientSocketImpl::SetSendBufferSize(int32_t size) {
   return transport_->socket()->SetSendBufferSize(size);
 }
 
+int SSLClientSocketImpl::SetDoNotFragment(bool do_not_fragment) {
+  return transport_->socket()->SetDoNotFragment(do_not_fragment);
+}
+
 int SSLClientSocketImpl::Init() {
   DCHECK(!ssl_);
   DCHECK(!transport_bio_);