Implement type variables on old style function-typed formal parameters.

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

Index: pkg/front_end/lib/src/fasta/source/outline_builder.dart
diff --git a/pkg/front_end/lib/src/fasta/source/outline_builder.dart b/pkg/front_end/lib/src/fasta/source/outline_builder.dart
index 3789892e35823a634494d33badd75dc3a786f8b5..5f01274ac372eba64136889fb58f675d4620bf24 100644
--- a/pkg/front_end/lib/src/fasta/source/outline_builder.dart
+++ b/pkg/front_end/lib/src/fasta/source/outline_builder.dart
@@ -619,19 +619,14 @@ class OutlineBuilder extends UnhandledListener {
   }
 
   @override
-  void endFunctionTypedFormalParameter(
-      Token thisKeyword, FormalParameterType kind) {
+  void endFunctionTypedFormalParameter() {
     debugEvent("FunctionTypedFormalParameter");
     List<FormalParameterBuilder> formals = pop();
     int formalsOffset = pop();
-    List<TypeVariableBuilder> typeVariables = pop();
-    int charOffset = pop();
-    String name = pop();
     TypeBuilder returnType = pop();
+    List<TypeVariableBuilder> typeVariables = pop();
     push(library.addFunctionType(
         returnType, typeVariables, formals, formalsOffset));
-    push(name);
-    push(charOffset);
   }
 
   @override