Remove deprecated_internalProblem.

pkg/front_end/lib/src/fasta/dill/dill_target.dart

Index: pkg/front_end/lib/src/fasta/dill/dill_target.dart
diff --git a/pkg/front_end/lib/src/fasta/dill/dill_target.dart b/pkg/front_end/lib/src/fasta/dill/dill_target.dart
index 1937800dfc345fc372c695fac3557ae928ccd5a6..84ab7fdda7e4e286ee27ebec5f680a72b22b8cb3 100644
--- a/pkg/front_end/lib/src/fasta/dill/dill_target.dart
+++ b/pkg/front_end/lib/src/fasta/dill/dill_target.dart
@@ -10,12 +10,18 @@ import 'package:kernel/ast.dart' show Class;
 
 import 'package:kernel/target/targets.dart' show Target;
 
-import '../deprecated_problems.dart' show deprecated_internalProblem;
 import '../kernel/kernel_builder.dart' show ClassBuilder;
+
+import '../problems.dart' show unsupported;
+
 import '../target_implementation.dart' show TargetImplementation;
+
 import '../ticker.dart' show Ticker;
+
 import '../translate_uri.dart' show TranslateUri;
+
 import 'dill_library_builder.dart' show DillLibraryBuilder;
+
 import 'dill_loader.dart' show DillLoader;
 
 class DillTarget extends TargetImplementation {
@@ -29,16 +35,16 @@ class DillTarget extends TargetImplementation {
 
   void addSourceInformation(
       Uri uri, List<int> lineStarts, List<int> sourceCode) {
-    deprecated_internalProblem("Unsupported operation.");
+    unsupported("addSourceInformation", -1, null);
   }
 
   void read(Uri uri) {
-    deprecated_internalProblem("Unsupported operation.");
+    unsupported("read", -1, null);
   }
 
   @override
   Future<Null> buildProgram() {
-    return deprecated_internalProblem("not implemented.");
+    return new Future<Null>.sync(() => unsupported("buildProgram", -1, null));

[Johnni Winther, 2017/07/11 18:34:05]

Should this have been an 'unimplemented' ?

[ahe, 2017/07/12 14:04:02]

By now it's an unsupported operation. I know this because I don't have any
crashes because of this.

   }
 
   @override