Use Chrome Headless browser instead of PhantomJS

package.json

@@ -65,7 +65,6 @@
     "extract-text-webpack-plugin": "^2.1.2",
     "file-loader": "^0.8.5",
     "friendly-errors-webpack-plugin": "^1.6.1",
-    "function-bind": "^1.1.0",
     "gulp": "^3.9.1",
     "gulp-autoprefixer": "^3.1.1",
     "gulp-clean-css": "^2.0.13",
@@ -74,9 +73,9 @@
     "html-loader": "^0.3.0",
     "html-webpack-plugin": "^2.29.0",
     "karma": "^1.7.0",
+    "karma-chrome-launcher": "^2.2.0",
     "karma-coverage": "^1.1.1",
     "karma-mocha": "^1.3.0",
-    "karma-phantomjs-launcher": "^1.0.4",
     "karma-sinon-chai": "^1.3.1",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-spec-reporter": "0.0.26",
@@ -85,7 +84,6 @@
     "less-loader": "^2.2.3",
     "lolex": "^1.5.2",
     "mocha": "^3.4.2",
-    "phantomjs-prebuilt": "^2.1.13",
     "sinon": "^1.17.7",
     "sinon-chai": "^2.11.0",
     "style-loader": "^0.13.1",