Fix SkiaServe gpu JSON to work with any reordering algorithm

tools/skiaserve/skiaserve.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Request.h"
 #include "Response.h"
 
@@ skipping 69 matching lines @@
     Request request(SkString("/data")); // This simple server has one request
 
     struct sockaddr_in address;
     address.sin_family = AF_INET;
     address.sin_port = htons(FLAGS_port);
     inet_pton(AF_INET, FLAGS_address[0], &address.sin_addr);
 
     printf("Visit http://%s:%d in your browser.\n", FLAGS_address[0], FLAGS_port);
 
     struct MHD_Daemon* daemon;
     // TODO Add option to bind this strictly to an address, e.g. localhost, for security.

[jcgregorio, 2016/03/04 16:06:18]

The TODO can be removed, that's what the --address cmd line flag does.

-    daemon = MHD_start_daemon(MHD_USE_SELECT_INTERNALLY, FLAGS_port, nullptr, nullptr,
+    daemon = MHD_start_daemon(MHD_USE_SELECT_INTERNALLY
+#ifdef SK_DEBUG
+                              | MHD_USE_DEBUG
+#endif  
+                              , FLAGS_port, nullptr, nullptr,
                               &answer_to_connection, &request,
                               MHD_OPTION_SOCK_ADDR, &address,
                               MHD_OPTION_END);
     if (NULL == daemon) {
+        SkDebugf("Could not initialize daemon\n");
         return 1;
     }
 
     getchar();
     MHD_stop_daemon(daemon);
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return skiaserve_main();
 }
 #endif