[fasta] Add and correct even more offsets

pkg/front_end/lib/src/fasta/source/source_library_builder.dart

Index: pkg/front_end/lib/src/fasta/source/source_library_builder.dart
diff --git a/pkg/front_end/lib/src/fasta/source/source_library_builder.dart b/pkg/front_end/lib/src/fasta/source/source_library_builder.dart
index 5bc51159d49a3500ed579b5119c889c5adc8b744..54801d6c9cb21301184624720edadeb2ae078cce 100644
--- a/pkg/front_end/lib/src/fasta/source/source_library_builder.dart
+++ b/pkg/front_end/lib/src/fasta/source/source_library_builder.dart
@@ -198,6 +198,7 @@ abstract class SourceLibraryBuilder<T extends TypeBuilder, R>
       AsyncMarker asyncModifier,
       ProcedureKind kind,
       int charOffset,
+      int charOpenParenOffset,
       int charEndOffset,
       String nativeMethodName,
       {bool isTopLevel});
@@ -227,6 +228,7 @@ abstract class SourceLibraryBuilder<T extends TypeBuilder, R>
       AsyncMarker asyncModifier,
       ConstructorReferenceBuilder redirectionTarget,
       int charOffset,
+      int charOpenParenOffset,
       int charEndOffset,
       String nativeMethodName);