Clone HtmlSpecFilter and HtmlReporter in preparation for backward-incompatible changes

src/html/HtmlSpecFilterv2.js

@@ -0,0 +1,24 @@
+jasmineRequire.HtmlSpecFilterV2 = function() {
+  'use strict';
+
+  function HtmlSpecFilterV2(options) {
+    const filterString =
+      options &&
+      options.filterString() &&
+      options.filterString().replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
+    const filterPattern = new RegExp(filterString);
+
+    /**
+     * Determines whether the spec with the specified name should be executed.
+     * @name HtmlSpecFilter#matches
+     * @function
+     * @param {string} specName The full name of the spec
+     * @returns {boolean}
+     */
+    this.matches = function(specName) {
+      return filterPattern.test(specName);
+    };
+  }
+
+  return HtmlSpecFilterV2;
+};