Update the Angular/DI tests to latest from github.

third_party/pkg/angular/lib/playback/playback_http.dart

Index: third_party/pkg/angular/lib/playback/playback_http.dart
diff --git a/third_party/pkg/angular/lib/playback/playback_http.dart b/third_party/pkg/angular/lib/playback/playback_http.dart
index df57b95a2b8afed1511c6bb0a204abed4e09f4b4..f6253a3d9461e1808c373d88fac516d138cfb37f 100644
--- a/third_party/pkg/angular/lib/playback/playback_http.dart
+++ b/third_party/pkg/angular/lib/playback/playback_http.dart
@@ -13,9 +13,9 @@ import 'package:angular/playback/playback_data.dart' as playback_data;
 @NgInjectableService()
 class PlaybackHttpBackendConfig {
   requestKey(String url,
-                 {String method, bool withCredentials, String responseType,
-                 String mimeType, Map<String, String> requestHeaders, sendData,
-                 void onProgress(ProgressEvent e)}) {
+             {String method, bool withCredentials, String responseType,
+             String mimeType, Map<String, String> requestHeaders, sendData,
+             void onProgress(ProgressEvent e)}) {
     return JSON.encode({
         "url": url,
         "method": method,
@@ -29,7 +29,7 @@ class PlaybackHttpBackendConfig {
 // the HttpBackend, but it will be implemented by ourselves.
 class HttpBackendWrapper {
   HttpBackend backend;
-  HttpBackendWrapper(HttpBackend this.backend);
+  HttpBackendWrapper(this.backend);
 }
 
 class RecordingHttpBackend implements HttpBackend {
@@ -37,9 +37,8 @@ class RecordingHttpBackend implements HttpBackend {
   HttpBackend _prodBackend;
   PlaybackHttpBackendConfig _config;
 
-  RecordingHttpBackend(HttpBackendWrapper wrapper, this._config) {
-    this._prodBackend = wrapper.backend;
-  }
+  RecordingHttpBackend(HttpBackendWrapper wrapper, this._config)
+      : _prodBackend = wrapper.backend;
 
   Future request(String url,
                  {String method, bool withCredentials, String responseType,
@@ -97,9 +96,7 @@ class PlaybackHttpBackend implements HttpBackend {
         sendData: sendData,
         onProgress: onProgress);
 
-    if (!data.containsKey(key)) {
-      throw ["Request is not recorded $key"];
-    }
+    if (!data.containsKey(key)) throw ["Request is not recorded $key"];
     var playback = data[key];
     return new Future.value(
         new mock.MockHttpRequest(