Revert "Fix observatory tests broken by running dartfmt."

runtime/lib/map_patch.dart

Index: runtime/lib/map_patch.dart
diff --git a/runtime/lib/map_patch.dart b/runtime/lib/map_patch.dart
index 2cc93427d9b579491cb0bc59859e6d666c53ba00..6e2f14df885046668c27ac437d5d251e642ef9b9 100644
--- a/runtime/lib/map_patch.dart
+++ b/runtime/lib/map_patch.dart
@@ -2,8 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-@patch
-class Map<K, V> {
+@patch class Map<K, V> {
   // Factory constructing a Map from a parser generated Map literal.
   // [elements] contains n key-value pairs.
   // The keys are at position 2*n and are already type checked by the parser
@@ -18,11 +17,9 @@ class Map<K, V> {
     return map;
   }
 
-  @patch
-  factory Map.unmodifiable(Map other) {
+  @patch factory Map.unmodifiable(Map other) {
     return new UnmodifiableMapView<K, V>(new Map.from(other));
   }
 
-  @patch
-  factory Map() = LinkedHashMap<K, V>;
+  @patch factory Map() = LinkedHashMap<K, V>;
 }