Adding Angular and dependent packages for testing

third_party/pkg/angular/lib/core_dom/module.dart

+library angular.core.dom;
+
+import 'dart:async' as async;
+import 'dart:convert' show JSON;
+import 'dart:html' as dom;
+
+import 'package:di/di.dart';
+import 'package:perf_api/perf_api.dart';
+
+import 'package:angular/core/module.dart';
+import 'package:angular/core/parser/parser_library.dart';
+
+part 'block.dart';
+part 'block_factory.dart';
+part 'cookies.dart';
+part 'common.dart';
+part 'compiler.dart';
+part 'directive.dart';
+part 'http.dart';
+part 'ng_mustache.dart';
+part 'node_cursor.dart';
+part 'selector.dart';
+part 'template_cache.dart';
+part 'tree_sanitizer.dart';
+
+class NgCoreDomModule extends Module {
+  NgCoreDomModule() {
+    value(dom.Window, dom.window);
+
+    value(TextChangeListener, null);
+    factory(TemplateCache, (_) => new TemplateCache(capacity: 0));
+    type(dom.NodeTreeSanitizer, implementedBy: NullTreeSanitizer);
+
+    type(NgTextMustacheDirective);
+    type(NgAttrMustacheDirective);
+
+    type(Compiler);
+    type(Http);
+    type(UrlRewriter);
+    type(HttpBackend);
+    type(HttpDefaultHeaders);
+    type(HttpDefaults);
+    type(HttpInterceptors);
+    type(BlockCache);
+    type(GetterSetter);
+    type(BrowserCookies);
+    type(Cookies);
+    type(LocationWrapper);
+  }
+}
+
+/**
+ * Implementing components [onShadowRoot] method will be called when
+ * the template for the component has been loaded and inserted into Shadow DOM.
+ * It is guaranteed that when [onShadowRoot] is invoked, that shadow DOM
+ * has been loaded and is ready.
+ */
+abstract class NgShadowRootAware {
+  void onShadowRoot(dom.ShadowRoot shadowRoot);
+}