Switch buildershandler over to using the json mirror.

Tools/TestResultServer/static-dashboards/builders_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:
 //
 //    * 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
@@ skipping 14 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 module('builders');
 
 test('loading steps', 4, function() {
     var tests = {}
     var baseUrl = 'http://dummyurl';
     var name = 'dummyname';
-    var master = new builders.BuilderMaster(name, baseUrl, tests);
+    var master = new builders.BuilderMaster({name: name, url_name: name, tests: tests);
 
     var builder = 'dummybuilder';
     var buildNumber = 12345;
     equal(master.logPath(builder, buildNumber), baseUrl + '/builders/' + builder + '/builds/' + buildNumber);
     equal(master.builderJsonPath(), baseUrl + '/json/builders');
     equal(master.tests, tests);
     equal(master.name, name);
 });
 
 test('builders._builderFilter', 5, function() {
@@ skipping 45 matching lines @@
 
 test('builders.master', 2, function() {
     resetGlobals();
 
     builders.loadBuildersList('@ToT Chromium', 'unit_tests');
     equal(builders.master('Linux Tests').basePath, 'dummyurl2');
 
     builders.loadBuildersList('@ToT Blink', 'unit_tests');
     equal(builders.master('Linux Tests').basePath, 'dummyurl');
 });