Move code for instantiating Invocation to Target.

pkg/compiler/lib/src/kernel/fasta_support.dart

Index: pkg/compiler/lib/src/kernel/fasta_support.dart
diff --git a/pkg/compiler/lib/src/kernel/fasta_support.dart b/pkg/compiler/lib/src/kernel/fasta_support.dart
index e9b07d361751a2deb237b436da6c4ba80ae1d9ee..2d170c85907258ea2668d0bf66120f3c611fc368 100644
--- a/pkg/compiler/lib/src/kernel/fasta_support.dart
+++ b/pkg/compiler/lib/src/kernel/fasta_support.dart
@@ -103,7 +103,7 @@ class KernelTargetForDart2js extends KernelTarget {
 /// are included in the SDK, and native clauses have no string parameter.
 class DillTargetForDart2js extends DillTarget {
   DillTargetForDart2js(Ticker ticker, TranslateUri uriTranslator)
-      : super(ticker, uriTranslator);
+      : super(ticker, uriTranslator, "none");
 
   @override
   Token skipNativeClause(Token token) => _skipNative(token);