ESLint: use outer `this` by currying function

app/assets/javascripts/build.js

@@ -81,19 +81,20 @@
     };
 
     Build.prototype.getInitialBuildTrace = function() {
-      var _this = this;
       var removeRefreshStatuses = ['success', 'failed', 'canceled', 'skipped']
 
       return $.ajax({
         url: this.buildUrl,
         dataType: 'json',
-        success: function(buildData) {
+        success: (function(_this) {
+          return function(buildData) {
             $('.js-build-output').html(buildData.trace_html);
             if (removeRefreshStatuses.indexOf(buildData.status) >= 0) {
               _this.initScrollMonitor();
               return $('.js-build-refresh').remove();
             }
-        }
+          };
+        })(this)
       });
     };