refactor(build): support multiple configurable browsers for e2e and perf tests

Also includes browser configuration for Android

protractor-shared.js

@@ -0,0 +1,69 @@
+// load traceur runtime as our tests are written in es6
+require('traceur/bin/traceur-runtime.js');
+var cmdArgs = require('minimist')(process.argv);
+var cmdLineBrowsers = cmdArgs.browsers ? cmdArgs.browsers.split(',') : [];
+
+var config = exports.config = {
+  // Disable waiting for Angular as we don't have an integration layer yet...
+  // TODO(tbosch): Implement a proper debugging API for Ng2.0, remove this here
+  // and the sleeps in all tests.
+  onPrepare: function() {
+    browser.ignoreSynchronization = true;
+    var _get = browser.get;
+    var sleepInterval = process.env.TRAVIS || process.env.JENKINS_URL ? 5000 : 2000;
+    browser.get = function() {
+      var result = _get.apply(this, arguments);
+      browser.sleep(sleepInterval);
+      return result;
+    }
+  },
+
+  jasmineNodeOpts: {
+    showColors: true,
+    defaultTimeoutInterval: 30000
+  }
+};
+
+var POSSIBLE_CAPS = {
+  Dartium: {
+    name: 'Dartium',
+    browserName: 'chrome',
+    chromeOptions: {
+      'binary': process.env.DARTIUM,
+      'args': ['--js-flags=--expose-gc']
+    },
+    loggingPrefs: {
+      performance: 'ALL'
+    }
+  },
+  ChromeDesktop: {
+    browserName: 'chrome',
+    chromeOptions: {
+      'args': ['--js-flags=--expose-gc']
+    },
+    loggingPrefs: {
+      performance: 'ALL'
+    }
+  },
+  ChromeAndroid: {
+    browserName: 'chrome',
+    chromeOptions: {
+      androidPackage: 'com.android.chrome',
+      'args': ['--js-flags=--expose-gc']
+    },
+    loggingPrefs: {
+      performance: 'ALL'
+    }
+  }
+};
+if (cmdLineBrowsers.length) {
+  config.multiCapabilities = cmdLineBrowsers.map(function(browserName) {
+    var caps = POSSIBLE_CAPS[browserName];
+    if (!caps) {
+      throw new Error('Not configured browser name: '+browserName);
+    }
+    return caps;
+  });
+} else {
+  config.multiCapabilities = [POSSIBLE_CAPS.ChromeDesktop];
+}