[Fasta] Do not emit default arguments at callsite

pkg/front_end/lib/src/fasta/kernel/kernel_library_builder.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library fasta.kernel_library_builder;
 
 import 'package:kernel/ast.dart';
 
 import 'package:kernel/clone.dart' show CloneVisitor;
 
@@ skipping 319 matching lines @@
     if (builder.next == null && other.next == null) {
       if (builder.isGetter && other.isSetter) {
         return new MixedAccessor(builder, other, this);
       } else if (builder.isSetter && other.isGetter) {
         return new MixedAccessor(other, builder, this);
       }
     }
     return new KernelInvalidTypeBuilder(name, charOffset, fileUri);
   }
 
-  void addArgumentsWithMissingDefaultValues(
-      Arguments arguments, FunctionNode function) {
-    assert(partOfLibrary == null);
-    argumentsWithMissingDefaultValues.add([arguments, function]);

[ahe, 2017/03/16 15:37:35]

We can also remove this field, and all methods that use it.

-  }
-
   int finishStaticInvocations() {
     CloneVisitor cloner;
     for (var list in argumentsWithMissingDefaultValues) {
       final Arguments arguments = list[0];
       final FunctionNode function = list[1];
 
       Expression defaultArgumentFrom(Expression expression) {
         if (expression == null) {
           return new NullLiteral();
         }
@@ skipping 77 matching lines @@
   }
 }
 
 bool isConstructorName(String name, String className) {
   if (name.startsWith(className)) {
     if (name.length == className.length) return true;
     if (name.startsWith(".", className.length)) return true;
   }
   return false;
 }