Fix hints reported by analyzer.

pkg/compiler/lib/src/serialization/serialization_util.dart

Index: pkg/compiler/lib/src/serialization/serialization_util.dart
diff --git a/pkg/compiler/lib/src/serialization/serialization_util.dart b/pkg/compiler/lib/src/serialization/serialization_util.dart
index 9c7d1a818a17072241ef8b661ce05bdd8f6d2c71..28993f24c91eff55e762293281582930ae4e9941 100644
--- a/pkg/compiler/lib/src/serialization/serialization_util.dart
+++ b/pkg/compiler/lib/src/serialization/serialization_util.dart
@@ -52,9 +52,9 @@ Selector deserializeSelector(ObjectDecoder decoder) {
   int argumentCount = decoder.getInt(Key.ARGUMENTS);
   List<String> namedArguments =
       decoder.getStrings(Key.NAMED_ARGUMENTS, isOptional: true);
-  String name = decoder.getString(Key.NAME);
-  bool isSetter = decoder.getBool(Key.IS_SETTER);
-  LibraryElement library = decoder.getElement(Key.LIBRARY, isOptional: true);
+  decoder.getString(Key.NAME);

[Siggi Cherem (dart-lang), 2017/01/20 18:12:32]

mmm... I'm guessing we should delete these 3 lines? (the deserializeName is
doing the same thing). Johhni can confirm

[Johnni Winther, 2017/01/23 09:31:55]

Yes, delete.

[ahe, 2017/01/23 10:58:36]

Done.

+  decoder.getBool(Key.IS_SETTER);
+  decoder.getElement(Key.LIBRARY, isOptional: true);
   return new Selector(kind, deserializeName(decoder),
       new CallStructure(argumentCount, namedArguments));
 }