chore(transformers): remove reflector parameter from initReflector signature

Remove reflector parameter from initReflector method to simplify ng_deps for reflection
initialization. It wasn't used and was added for testability, but wasn't used. This
keeps the interface simplier.

modules/angular2/test/transform/integration/list_of_types_files/expected/bar.ng_deps.dart

@@ -1,14 +1,15 @@
 library bar.ng_deps.dart;
 
 import 'bar.dart';
+import 'package:angular2/src/reflection/reflection.dart' as _ngRef;
 import 'package:angular2/src/core/annotations_impl/annotations.dart';
 import 'foo.dart';
 
 var _visited = false;
-void initReflector(reflector) {
+void initReflector() {
   if (_visited) return;
   _visited = true;
-  reflector
+  _ngRef.reflector
     ..registerType(MyComponent, {
       'factory': (MyContext c) => new MyComponent(c),
       'parameters': const [const [MyContext]],

modules/angular2/test/transform/integration/simple_annotation_files/expected/bar.ng_deps.dart

@@ -1,13 +1,14 @@
 library bar.ng_deps.dart;
 
 import 'bar.dart';
+import 'package:angular2/src/reflection/reflection.dart' as _ngRef;
 import 'package:angular2/src/core/annotations_impl/annotations.dart';
 
 var _visited = false;
-void initReflector(reflector) {
+void initReflector() {
   if (_visited) return;
   _visited = true;
-  reflector
+  _ngRef.reflector
     ..registerType(MyComponent, {
       'factory': () => new MyComponent(),
       'parameters': const [],

modules/angular2/test/transform/integration/simple_annotation_files/expected/index.ng_deps.dart

@@ -1,6 +1,7 @@
 library web_foo.ng_deps.dart;
 
 import 'index.dart';
+import 'package:angular2/src/reflection/reflection.dart' as _ngRef;
 import 'package:angular2/src/core/application.dart';
 import 'package:angular2/src/reflection/reflection.dart';
 import 'index.ng_deps.dart' as ngStaticInit0;
@@ -8,8 +9,8 @@ import 'bar.dart';
 import 'bar.ng_deps.dart' as i0;
 
 var _visited = false;
-void initReflector(reflector) {
+void initReflector() {
   if (_visited) return;
   _visited = true;
-  i0.initReflector(reflector);
+  i0.initReflector();
 }

modules/angular2/test/transform/integration/synthetic_ctor_files/expected/bar.ng_deps.dart

@@ -1,13 +1,14 @@
 library bar.ng_deps.dart;
 
 import 'bar.dart';
+import 'package:angular2/src/reflection/reflection.dart' as _ngRef;
 import 'package:angular2/src/core/annotations_impl/annotations.dart';
 
 var _visited = false;
-void initReflector(reflector) {
+void initReflector() {
   if (_visited) return;
   _visited = true;
-  reflector
+  _ngRef.reflector
     ..registerType(MyComponent, {
       'factory': () => new MyComponent(),
       'parameters': const [],

modules/angular2/test/transform/integration/two_annotations_files/expected/bar.ng_deps.dart

@@ -4,14 +4,15 @@ import 'package:angular2/src/change_detection/pregen_proto_change_detector.dart'
     as _gen;
 
 import 'bar.dart';
+import 'package:angular2/src/reflection/reflection.dart' as _ngRef;
 import 'package:angular2/src/core/annotations_impl/annotations.dart';
 import 'package:angular2/src/core/annotations_impl/view.dart';
 
 var _visited = false;
-void initReflector(reflector) {
+void initReflector() {
   if (_visited) return;
   _visited = true;
-  reflector
+  _ngRef.reflector
     ..registerType(MyComponent, {
       'factory': () => new MyComponent(),
       'parameters': const [],

modules/angular2/test/transform/integration/two_deps_files/expected/bar.ng_deps.dart

@@ -1,14 +1,15 @@
 library bar.ng_deps.dart;
 
 import 'bar.dart';
+import 'package:angular2/src/reflection/reflection.dart' as _ngRef;
 import 'package:angular2/src/core/annotations_impl/annotations.dart';
 import 'foo.dart' as prefix;
 
 var _visited = false;
-void initReflector(reflector) {
+void initReflector() {
   if (_visited) return;
   _visited = true;
-  reflector
+  _ngRef.reflector
     ..registerType(MyComponent, {
       'factory':
           (prefix.MyContext c, String inValue) => new MyComponent(c, inValue),