chore(): remove phantomjs dependency (#9583)

Author: devversion

package.json

@@ -64,13 +64,11 @@
     "karma": "^1.0.0",
     "karma-firefox-launcher": "^1.0.0",
     "karma-jasmine": "^1.0.2",
-    "karma-phantomjs-launcher": "^1.0.0",
     "karma-sauce-launcher": "^1.0.0",
     "lazypipe": "^1.0.1",
     "lodash": "^4.13.1",
     "minimist": "^1.1.0",
     "mkdirp": "^0.5.0",
-    "phantomjs-prebuilt": "^2.1.7",
     "postcss": "^5.1.2",
     "prompt-sync": "^1.0.0",
     "q": "^1.0.1",

src/components/datepicker/js/datepickerDirective.js

@@ -552,12 +552,7 @@
       this.ngModelCtrl.$setValidity('valid', date == null);
     }
 
-    // TODO(jelbourn): Change this to classList.toggle when we stop using PhantomJS in unit tests
-    // because it doesn't conform to the DOMTokenList spec.
-    // See https://github.com/ariya/phantomjs/issues/12782.
-    if (!this.ngModelCtrl.$valid) {
-      this.inputContainer.classList.add(INVALID_CLASS);
-    }
+    angular.element(this.inputContainer).toggleClass(INVALID_CLASS, !this.ngModelCtrl.$valid);
   };
 
   /** Clears any error flags set by `updateErrorState`. */