feat(dart/transform): Record Type interfaces

To support interface-based lifecycle methods (#2220), we need to be able
to query for the `interface`s a class supports. Record implemented
interfaces to allow mirror-less querying at runtime.

Closes #2204

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

@@ -42,6 +42,15 @@ void allTests() {
 
   _testNgDeps('should inline `templateUrl`s expressed as adjacent strings.',
       'split_url_expression_files/hello.dart');
+
+  _testNgDeps('should report implemented types as `interfaces`.',
+      'interfaces_files/soup.dart');
+
+  _testNgDeps('should not include transitively implemented types.',
+      'interface_chain_files/soup.dart');
+
+  _testNgDeps('should not include superclasses in `interfaces`.',
+      'superclass_files/soup.dart');
 }
 
 void _testNgDeps(String name, String inputPath,

modules/angular2/test/transform/directive_processor/interface_chain_files/expected/soup.ng_deps.dart

@@ -0,0 +1,17 @@
+library dinner.soup.ng_deps.dart;
+
+import 'soup.dart';
+import 'package:angular2/src/core/annotations_impl/annotations.dart';
+
+var _visited = false;
+void initReflector(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(ChangingSoupComponent, {
+      'factory': () => new ChangingSoupComponent(),
+      'parameters': const [],
+      'annotations': const [const Component(selector: '[soup]')],
+      'interfaces': const [PrimaryInterface]
+    });
+}

modules/angular2/test/transform/directive_processor/interface_chain_files/soup.dart

@@ -0,0 +1,12 @@
+library dinner.soup;
+
+import 'package:angular2/src/core/annotations_impl/annotations.dart';
+
+@Component(selector: '[soup]')
+class ChangingSoupComponent implements PrimaryInterface {}
+
+class TernaryInterface {}
+
+class SecondaryInterface implements TernaryInterface {}
+
+class PrimaryInterface implements SecondaryInterface {}

modules/angular2/test/transform/directive_processor/interfaces_files/expected/soup.ng_deps.dart

@@ -0,0 +1,17 @@
+library dinner.soup.ng_deps.dart;
+
+import 'soup.dart';
+import 'package:angular2/src/core/annotations_impl/annotations.dart';
+
+var _visited = false;
+void initReflector(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(ChangingSoupComponent, {
+      'factory': () => new ChangingSoupComponent(),
+      'parameters': const [],
+      'annotations': const [const Component(selector: '[soup]')],
+      'interfaces': const [OnChange]
+    });
+}

modules/angular2/test/transform/directive_processor/interfaces_files/soup.dart

@@ -0,0 +1,6 @@
+library dinner.soup;
+
+import 'package:angular2/src/core/annotations_impl/annotations.dart';
+
+@Component(selector: '[soup]')
+class ChangingSoupComponent implements OnChange {}

modules/angular2/test/transform/directive_processor/superclass_files/expected/soup.ng_deps.dart

@@ -0,0 +1,16 @@
+library dinner.soup.ng_deps.dart;
+
+import 'soup.dart';
+import 'package:angular2/src/core/annotations_impl/annotations.dart';
+
+var _visited = false;
+void initReflector(reflector) {
+  if (_visited) return;
+  _visited = true;
+  reflector
+    ..registerType(ChangingSoupComponent, {
+      'factory': () => new ChangingSoupComponent(),
+      'parameters': const [],
+      'annotations': const [const Component(selector: '[soup]')]
+    });
+}

modules/angular2/test/transform/directive_processor/superclass_files/soup.dart

@@ -0,0 +1,10 @@
+library dinner.soup;
+
+import 'package:angular2/src/core/annotations_impl/annotations.dart';
+
+@Component(selector: '[soup]')
+class ChangingSoupComponent extends Super {}
+
+class Iface {}
+
+class Super implements Iface {}