Remove use of Element in ResolutionEnqueuerListener.

pkg/compiler/lib/src/compiler.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.
 
 library dart2js.compiler_base;
 
 import 'dart:async' show Future;
 
 import '../compiler_new.dart' as api;
 import 'closure.dart' as closureMapping show ClosureTask;
@@ skipping 19 matching lines @@
 import 'diagnostics/invariant.dart' show REPORT_EXCESS_RESOLUTION;
 import 'diagnostics/messages.dart' show Message, MessageTemplate;
 import 'dump_info.dart' show DumpInfoTask;
 import 'elements/elements.dart';
 import 'elements/entities.dart';
 import 'elements/modelx.dart' show ErroneousElementX;
 import 'elements/resolution_types.dart'
     show
         ResolutionDartType,
         ResolutionDynamicType,
+        ResolutionFunctionType,
         ResolutionInterfaceType,
         Types;
 import 'enqueue.dart' show Enqueuer, EnqueueTask, ResolutionEnqueuer;
 import 'environment.dart';
 import 'id_generator.dart';
 import 'io/source_information.dart' show SourceInformation;
 import 'js_backend/backend.dart' show JavaScriptBackend;
 import 'library_loader.dart'
     show
         ElementScanner,
@@ skipping 1911 matching lines @@
     // should not try to find the given element.
     if (library != null && library.isSynthesized) {
       return null;
     }
     if (library == null && required) {
       throw new SpannableAssertionFailure(
           library, "The library '${uri}' was not found.");
     }
     return library;
   }
+
+  @override
+  CallStructure getCallStructure(MethodElement method) {
+    ResolutionFunctionType type = method.computeType(_resolution);
+    return new CallStructure(
+        type.parameterTypes.length +
+            type.optionalParameterTypes.length +
+            type.namedParameterTypes.length,
+        type.namedParameters);
+  }
+
+  @override
+  bool isDeferredLoadLibraryGetter(MemberElement member) {
+    return member.isDeferredLoaderGetter;
+  }
+
+  @override
+  ResolutionFunctionType getFunctionType(MethodElement method) {
+    method.computeType(_resolution);
+    return method.type;
+  }
 }