fix(transformer): Add getters for events.

closes https://github.com/angular/angular/issues/2725

modules/angular2/test/transform/bind_generator/all_tests.dart

@@ -9,6 +9,8 @@ import '../common/read_file.dart';
 
 var formatter = new DartFormatter();
 
+main() => allTests();
+
 void allTests() {
   var reader = new TestAssetReader();
 
@@ -18,8 +20,8 @@ void allTests() {
     var expected = formatter.format(
         readFile('bind_generator/basic_bind_files/expected/bar.ng_deps.dart'));
 
-    var output = formatter
-        .format(await createNgSetters(reader, new AssetId('a', inputPath)));
+    var output = formatter.format(
+        await createNgSettersAndGetters(reader, new AssetId('a', inputPath)));
     expect(output).toEqual(expected);
   });
 
@@ -30,8 +32,19 @@ void allTests() {
     var expected = formatter.format(readFile(
         'bind_generator/duplicate_bind_name_files/expected/soup.ng_deps.dart'));
 
-    var output = formatter
-        .format(await createNgSetters(reader, new AssetId('a', inputPath)));
+    var output = formatter.format(
+        await createNgSettersAndGetters(reader, new AssetId('a', inputPath)));
+    expect(output).toEqual(expected);
+  });
+
+  it('should generate a getter for a `events` property in an annotation.',
+      () async {
+    var inputPath = 'bind_generator/events_files/bar.ng_deps.dart';
+    var expected = formatter.format(
+      readFile('bind_generator/events_files/expected/bar.ng_deps.dart'));
+
+    var output = formatter.format(
+      await createNgSettersAndGetters(reader, new AssetId('a', inputPath)));
     expect(output).toEqual(expected);
   });
 }

modules/angular2/test/transform/bind_generator/events_files/bar.ng_deps.dart

@@ -0,0 +1,19 @@
+library bar.ng_deps.dart;
+
+import 'bar.dart';
+import 'package:angular2/src/core/annotations_impl/annotations.dart';
+
+var _visited = false;
+void initReflector(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(ToolTip, {
+      'factory': () => new ToolTip(),
+      'parameters': const [],
+      'annotations': const [
+        const Directive(
+            selector: '[tool-tip]',  events: ['onOpen', 'close: onClose'])
+      ]
+    });
+}

modules/angular2/test/transform/bind_generator/events_files/expected/bar.ng_deps.dart

@@ -0,0 +1,20 @@
+library bar.ng_deps.dart;
+
+import 'bar.dart';
+import 'package:angular2/src/core/annotations_impl/annotations.dart';
+
+var _visited = false;
+void initReflector(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(ToolTip, {
+      'factory': () => new ToolTip(),
+      'parameters': const [],
+      'annotations': const [
+        const Directive(
+            selector: '[tool-tip]', events: ['onOpen', 'close: onClose'])
+      ]
+    })
+    ..registerGetters({'onOpen': (o) => o.onOpen, 'onClose': (o) => o.close});
+}