Remove GardeningServer.

Tools/GardeningServer/model/ct-step-failure-group-data.html

-<!--
-Copyright 2014 The Chromium Authors. All rights reserved.
-Use of this source code is governed by a BSD-style license that can be
-found in the LICENSE file.
--->
-
-<link rel="import" href="ct-builder-list.html">
-<link rel="import" href="ct-commit-list.html">
-
-<script>
-function CTStepFailureGroupData(failures, commitList) {
-  this.failures = failures;
-  this.key = failures.map(function(failure) {
-    return failure.key;
-  }).join('::');
-  this.commitList = commitList;
-  this.builderList = new CTBuilderList(failures);
-  this.category = 'step';
-};
-
-CTStepFailureGroupData.prototype.getAnnotations = function() {
-  return this.failures.map(function(failure) {
-    return failure.annotations();
-  }).flatten();
-};
-
-CTStepFailureGroupData.prototype.failureKeys = function() {
-  return this.failures.map(function(failure) {
-    return failure.keys();
-  }).flatten();
-};
-
-CTStepFailureGroupData.prototype.isTreeCloser = function() {
-  return this.failures.any(function(failure) {
-    return failure.isTreeCloser();
-  });
-};
-
-CTStepFailureGroupData.prototype.failedOnce = function() {
-  if (!this.failures.length)
-    return false;
-
-  for (var i = 0; i < this.failures.length; i++) {
-    var totalFailures = 0;
-    var resultNodes = this.failures[i].resultNodesByBuilder;
-    for (var r in resultNodes) {
-      totalFailures += resultNodes[r].failingBuildCount;
-      if (totalFailures > 1)
-        return false;
-    }
-  }
-  return true;
-};
-
-CTStepFailureGroupData.prototype.fileBugMessage = function() {
-  var message = '';
-  this.failures.forEach(function(failure) {
-    message += failure.step;
-    if (failure.testName) {
-      message += ' ' + failure.testName + '\n';
-      message += failure.flakinessDashboardURL(this.tree);
-    }
-    message += '\n';
-  });
-  message += '\nRevision range:\n';
-  this.commitList.repositories.forEach(function(repository) {
-    message += repository.name + ' ' + repository.range + '\n';
-  });
-  message += '\nFailing builders:\n';
-  this.builderList.builders.forEach(function(builder) {
-    message += builder.builder + ': ' + builder.buildUrl + '\n';
-  });
-
-  return message;
-};
-
-CTStepFailureGroupData.prototype.fileBugLink = function() {
-  var fileBugUrl = 'https://code.google.com/p/chromium/issues/entry?' +
-      'status=Available&labels=Pri-2,gardening-blink&' +
-      'summary=Build%20failure&comment=Build%20is%20broken:%0a';
-  return fileBugUrl + encodeURIComponent(this.fileBugMessage());
-};
-</script>