Add ElementCodegenWorldBuilder

pkg/compiler/lib/src/ssa/builder.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.
 
 import 'dart:collection';
 
 import 'package:js_runtime/shared/embedded_names.dart';
 
 import '../closure.dart';
 import '../common.dart';
-import '../common/codegen.dart' show CodegenRegistry, CodegenWorkItem;
+import '../common/codegen.dart' show CodegenRegistry;
 import '../common/names.dart' show Identifiers, Selectors;
 import '../common/tasks.dart' show CompilerTask;
 import '../compiler.dart';
 import '../constants/constant_system.dart';
 import '../constants/expressions.dart';
 import '../constants/values.dart';
 import '../diagnostics/messages.dart' show Message, MessageTemplate;
 import '../dump_info.dart' show InfoReporter;
 import '../elements/elements.dart';
 import '../elements/entities.dart';
 import '../elements/modelx.dart' show ConstructorBodyElementX;
 import '../elements/names.dart';
 import '../elements/operators.dart';
 import '../elements/resolution_types.dart';
 import '../elements/types.dart';
 import '../io/source_information.dart';
 import '../js/js.dart' as js;
 import '../js_backend/backend.dart' show JavaScriptBackend;
+import '../js_backend/element_strategy.dart' show ElementCodegenWorkItem;
 import '../js_backend/runtime_types.dart';
 import '../js_emitter/js_emitter.dart' show CodeEmitterTask, NativeEmitter;
 import '../native/native.dart' as native;
 import '../resolution/semantic_visitor.dart';
 import '../resolution/tree_elements.dart' show TreeElements;
 import '../tree/tree.dart' as ast;
 import '../types/types.dart';
 import '../universe/call_structure.dart' show CallStructure;
 import '../universe/selector.dart' show Selector;
 import '../universe/side_effects.dart' show SideEffects;
@@ skipping 18 matching lines @@
 
   String get name => 'SSA builder';
 
   SsaBuilderTask(JavaScriptBackend backend, this.sourceInformationFactory)
       : emitter = backend.emitter,
         backend = backend,
         super(backend.compiler.measurer);
 
   DiagnosticReporter get reporter => backend.reporter;
 
-  HGraph build(CodegenWorkItem work, ClosedWorld closedWorld) {
+  HGraph build(ElementCodegenWorkItem work, ClosedWorld closedWorld) {
     return measure(() {
       MemberElement element = work.element.implementation;
       return reporter.withCurrentElement(element, () {
         SsaBuilder builder = new SsaBuilder(
             work.element.implementation,
             work.resolvedAst,
             work.registry,
             backend,
             closedWorld,
             emitter.nativeEmitter,
@@ skipping 6658 matching lines @@
       this.oldReturnLocal,
       this.oldReturnType,
       this.oldResolvedAst,
       this.oldStack,
       this.oldLocalsHandler,
       this.inTryStatement,
       this.allFunctionsCalledOnce,
       this.oldElementInferenceResults)
       : super(function);
 }