Update pkg/compiler/lib/src/use_unused_api.dart.

dart/pkg/compiler/lib/src/use_unused_api.dart

 // Copyright (c) 2012, 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.
 
 /// This file use methods that aren't used by dart2js.dart, but that we wish to
 /// keep anyway. This might be general API that isn't currently in use,
 /// debugging aids, or API only used for testing (see TODO below).
 
 library dart2js.use_unused_api;
 
@@ skipping 13 matching lines @@
 import 'inferrer/concrete_types_inferrer.dart' as concrete_types_inferrer;
 import 'inferrer/type_graph_inferrer.dart' as type_graph_inferrer;
 import 'js/js.dart' as js;
 import 'js_emitter/js_emitter.dart' as js_emitter;
 import 'source_file_provider.dart' as source_file_provider;
 import 'ssa/ssa.dart' as ssa;
 import 'tree/tree.dart' as tree;
 import 'universe/universe.dart' as universe;
 import 'util/util.dart' as util;
 
+import 'scanner/scannerlib.dart' show
+    PartialClassElement,
+    PartialFunctionElement;
+
 class ElementVisitor extends elements_visitor.ElementVisitor {
   visitElement(e) {}
 }
 
 void main(List<String> arguments) {
   useApi();
   dart2js.main(arguments);
   useConstant(null, null);
   useNode(null);
   useUtil(null);
   useSetlet(null);
   useImmutableEmptySet(null);
   useElementVisitor(new ElementVisitor());
   useJs(new js.Program(null));
   useJs(new js.Blob(null));
   useJs(new js.NamedFunction(null, null));
   useConcreteTypesInferrer(null);
   useColor();
   useFilenames();
   useSsa(null);
   useCodeBuffer(null);
   usedByTests();
-  useElements(null, null, null);
+  useElements(null, null, null, null, null);
   useIr(null, null, null);
   useCompiler(null);
   useTypes();
   useCodeEmitterTask(null);
 }
 
 useApi() {
   api.ReadStringFromUri uri;
 }
 
@@ skipping 45 matching lines @@
     ..asTryStatement()
     ..asTypeAnnotation()
     ..asTypeVariable()
     ..asTypedef()
     ..asWhile()
     ..asYield();
 }
 
 void useUtil(util.Link link) {
   link.reversePrependAll(link);
+  link.copyWithout(link);
   util.longestCommonPrefixLength(null, null);
   new util.Pair(null, null);
 }
 
 void useSetlet(util.Setlet setlet) {
   setlet.difference(setlet);
   setlet.retainWhere(null);
 }
 
 void useImmutableEmptySet(util.ImmutableEmptySet set) {
@@ skipping 66 matching lines @@
   world.hasAnyUserDefinedGetter(null);
   typeGraphInferrer.getCallersOf(null);
   dart_types.Types.sorted(null);
   new dart_types.Types(compiler).copy(compiler);
   new universe.TypedSelector.subclass(null, null, compiler.world);
   new universe.TypedSelector.subtype(null, null, compiler.world);
   new universe.TypedSelector.exact(null, null, compiler.world);
   sourceFileProvider.readStringFromUri(null);
 }
 
-useElements(elements.ClassElement e, elements.Name n, modelx.FieldElementX f) {
+useElements(
+    elements.ClassElement e,
+    elements.Name n,
+    modelx.FieldElementX f,
+    PartialClassElement pce,
+    PartialFunctionElement pfe) {
   e.lookupClassMember(null);
   e.lookupInterfaceMember(null);
   n.isAccessibleFrom(null);
   f.reuseElement();
+  pce.copyWithEnclosing(null);
+  pfe.copyWithEnclosing(null);
 }
 
 useIr(cps_ir_nodes_sexpr.SExpressionStringifier stringifier,
       ir_builder.IrBuilderTask task,
       ir_builder.IrBuilder builder) {
   new cps_ir_nodes_sexpr.SExpressionStringifier();
   stringifier
     ..newContinuationName()
     ..newValueName()
     ..visitConstant(null)
@@ skipping 26 matching lines @@
   compiler.forgetElement(null);
 }
 
 useTypes() {
   new dart_types.ResolvedTypedefType(null, null, null).unalias(null);
 }
 
 useCodeEmitterTask(js_emitter.CodeEmitterTask codeEmitterTask) {
   codeEmitterTask.oldEmitter.clearCspPrecompiledNodes();
 }