Move GardeningServer out of BuildSlaveSupport

Tools/GardeningServer/scripts/ui/perf_unittests.js

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 160 matching lines @@
             '</div>' +
             '<iframe src="http://dummyurl1"></iframe>' +
         '</div>');
 
         builders.perfBuilders = oldPerfBuilders;
         start();
     }, 0);
 });
 
 })();