Adding Angular and dependent packages for testing

third_party/pkg/angular/karma-perf.conf.js

+module.exports = function(config) {
+  config.set({
+    //logLevel: config.LOG_DEBUG,
+    basePath: '.',
+    frameworks: ['dart-unittest'],
+
+    // list of files / patterns to load in the browser
+    // all tests must be 'included', but all other libraries must be 'served' and
+    // optionally 'watched' only.
+    files: [
+      'perf/dom/*.dart',
+      'test/config/filter_tests.dart',
+      {pattern: '**/*.dart', watched: true, included: false, served: true},
+      'packages/browser/dart.js',
+      'packages/browser/interop.js',
+    ],
+
+    autoWatch: false,
+
+    // If browser does not capture in given timeout [ms], kill it
+    captureTimeout: 5000,
+
+    plugins: [
+      'karma-dart',
+      'karma-chrome-launcher',
+      'karma-script-launcher',
+      'karma-junit-reporter',
+      '../../../karma-parser-generator',
+      '../../../karma-parser-getter-setter'
+    ],
+
+    preprocessors: {
+      'test/core/parser/generated_functions.dart': ['parser-generator'],
+      'test/core/parser/generated_getter_setter.dart': ['parser-getter-setter']
+    },
+
+    junitReporter: {
+      outputFile: 'test_out/unit.xml',
+      suite: 'unit'
+    }
+  });
+};