Travis CI should also run tests on chrome

.travis.yml

@@ -4,6 +4,7 @@ node_js:
   - "0.10"
 
 before_install:
+  - "export CHROME_BIN=chromium-browser"
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb start"
 

karma.conf.ci.js

@@ -1,7 +1,19 @@
 module.exports = function(config) {
-	config.set({
+	var configuration = {
 		browsers: ['Firefox'],
+		customLaunchers: {
+			Chrome_travis_ci: {
+				base: 'Chrome',
+				flags: ['--no-sandbox']
+			}
+		},
 		frameworks: ['jasmine'],
 		reporters: ['progress', 'html'],
-	});
+	};
+
+	if (process.env.TRAVIS) {
+		configuration.browsers.push('Chrome_travis_ci');
+	}
+
+	config.set(configuration);
 };