[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 b676740f1dff32a5e5ca8d948782219946207fa6..08547d0b57c2d077cb39df443c91273474adb07e 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
@@ -201,6 +201,7 @@ abstract class SourceLibraryBuilder<T extends TypeBuilder, R>
       AsyncMarker asyncModifier,
       ProcedureKind kind,
       int charOffset,
+      int charOpenParenOffset,
       int charEndOffset,
       String nativeMethodName,
       {bool isTopLevel});
@@ -230,6 +231,7 @@ abstract class SourceLibraryBuilder<T extends TypeBuilder, R>
       AsyncMarker asyncModifier,
       ConstructorReferenceBuilder redirectionTarget,
       int charOffset,
+      int charOpenParenOffset,
       int charEndOffset,
       String nativeMethodName);