Adding Angular and dependent packages for testing

third_party/pkg/js/example/google-chart/bubblechart.dart

+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// A JS Interop sample accessing the Google Charts API.  The sample is based on
+// the Bubble Chart example here:
+// https://developers.google.com/chart/interactive/docs/gallery/bubblechart
+
+import 'dart:html';
+import 'package:js/js.dart' as js;
+
+void drawVisualization() {
+  var gviz = js.context.google.visualization;
+
+  // Create and populate the data table.
+  var listData = [
+    ['ID', 'Life Expectancy', 'Fertility Rate', 'Region',     'Population'],
+    ['CAN',    80.66,              1.67,      'North America',  33739900],
+    ['DEU',    79.84,              1.36,      'Europe',         81902307],
+    ['DNK',    78.6,               1.84,      'Europe',         5523095],
+    ['EGY',    72.73,              2.78,      'Middle East',    79716203],
+    ['GBR',    80.05,              2,         'Europe',         61801570],
+    ['IRN',    72.49,              1.7,       'Middle East',    73137148],
+    ['IRQ',    68.09,              4.77,      'Middle East',    31090763],
+    ['ISR',    81.55,              2.96,      'Middle East',    7485600],
+    ['RUS',    68.6,               1.54,      'Europe',         141850000],
+    ['USA',    78.09,              2.05,      'North America',  307007000]
+  ];
+
+  var arrayData = js.array(listData);
+
+  var tableData = gviz.arrayToDataTable(arrayData);
+
+  var options = js.map({
+    'title': 'Correlation between life expectancy, '
+        'fertility rate and population of some world countries (2010)',
+    'hAxis': {'title': 'Life Expectancy'},
+    'vAxis': {'title': 'Fertility Rate'},
+    'bubble': {'textStyle': {'fontSize': 11}}
+  });
+
+  // Create and draw the visualization.
+  var chart = new js.Proxy(gviz.BubbleChart, querySelector('#visualization'));
+  chart.draw(tableData, options);
+}
+
+main() {
+  js.context.google.load('visualization', '1', js.map(
+    {
+      'packages': ['corechart'],
+      'callback': drawVisualization,
+    }));
+}