Moved toHaveClass matcher into core so that it can be used in Karma

- Fixes #1503

src/html/matchers/toHaveClass.js

@@ -1,33 +0,0 @@
-jasmineRequire.toHaveClass = function(j$) {
-  /**
-   * {@link expect} the actual value to be a DOM element that has the expected class
-   * @function
-   * @name matchers#toHaveClass
-   * @param {Object} expected - The class name to test for
-   * @example
-   * var el = document.createElement('div');
-   * el.className = 'foo bar baz';
-   * expect(el).toHaveClass('bar');
-   */
-  function toHaveClass(util, customEqualityTesters) {
-    return {
-      compare: function(actual, expected) {
-        if (!isElement(actual)) {
-          throw new Error(j$.pp(actual) + ' is not a DOM element');
-        }
-
-        return {
-          pass: actual.classList.contains(expected)
-        };
-      }
-    };
-  }
-
-  function isElement(maybeEl) {
-    return maybeEl &&
-      maybeEl.classList &&
-      j$.isFunction_(maybeEl.classList.contains);
-  }
-
-  return toHaveClass;
-};

src/html/requireHtml.js

@@ -3,5 +3,4 @@ jasmineRequire.html = function(j$) {
   j$.HtmlReporter = jasmineRequire.HtmlReporter(j$);
   j$.QueryString = jasmineRequire.QueryString();
   j$.HtmlSpecFilter = jasmineRequire.HtmlSpecFilter();
-  j$.matchers.toHaveClass = jasmineRequire.toHaveClass(j$);
 };