Revert "Fix observatory tests broken by running dartfmt."

runtime/lib/type_patch.dart

Index: runtime/lib/type_patch.dart
diff --git a/runtime/lib/type_patch.dart b/runtime/lib/type_patch.dart
index 93cd2f58e6bf0b025fa575f69125698ec8d82393..67d7db5345f4f47ae3babbb2d0f877169cc482eb 100644
--- a/runtime/lib/type_patch.dart
+++ b/runtime/lib/type_patch.dart
@@ -10,16 +10,21 @@ abstract class _AbstractType implements Type {
 }
 
 // Equivalent of RawType.
-class _Type extends _AbstractType {}
+class _Type extends _AbstractType {
+}
 
 // Equivalent of RawTypeRef.
-class _TypeRef extends _AbstractType {}
+class _TypeRef extends _AbstractType {
+}
 
 // Equivalent of RawTypeParameter.
-class _TypeParameter extends _AbstractType {}
+class _TypeParameter extends _AbstractType {
+}
 
 // Equivalent of RawBoundedType.
-class _BoundedType extends _AbstractType {}
+class _BoundedType extends _AbstractType {
+}
 
 // Equivalent of RawMixinAppType.
-class _MixinAppType extends _AbstractType {}
+class _MixinAppType extends _AbstractType {
+}