No longer store the compilation-context in WorkItem.

pkg/compiler/lib/src/common/resolution.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.common.resolution;
 
 import '../common.dart';
 import '../compile_time_constants.dart';
 import '../compiler.dart' show Compiler;
 import '../constants/expressions.dart' show ConstantExpression;
@@ skipping 20 matching lines @@
 import '../options.dart' show CompilerOptions, ParserOptions;
 import '../parser/element_listener.dart' show ScannerOptions;
 import '../parser/parser_task.dart';
 import '../patch_parser.dart';
 import '../resolution/resolution.dart';
 import '../tree/tree.dart' show Send, TypeAnnotation;
 import '../universe/call_structure.dart' show CallStructure;
 import '../universe/world_impact.dart' show WorldImpact;
 import '../universe/feature.dart';
 import 'backend_api.dart';
-import 'work.dart' show ItemCompilationContext, WorkItem;
+import 'work.dart' show WorkItem;
 
 /// [WorkItem] used exclusively by the [ResolutionEnqueuer].
 class ResolutionWorkItem extends WorkItem {
   bool _isAnalyzed = false;
 
-  ResolutionWorkItem(
-      AstElement element, ItemCompilationContext compilationContext)
-      : super(element, compilationContext);
+  ResolutionWorkItem(AstElement element) : super(element);
 
   WorldImpact run(Compiler compiler, ResolutionEnqueuer world) {
     WorldImpact impact = compiler.analyze(this, world);
     _isAnalyzed = true;
     return impact;
   }
 
   bool get isAnalyzed => _isAnalyzed;
 }
 
@@ skipping 94 matching lines @@
   bool hasBeenResolved(Element element);
 
   /// Resolve [element] if it has not already been resolved.
   void ensureResolved(Element element);
 
   /// Registers that [element] has a compile time error.
   ///
   /// The error itself is given in [message].
   void registerCompileTimeError(Element element, DiagnosticMessage message);
 
-  ResolutionWorkItem createWorkItem(
-      Element element, ItemCompilationContext compilationContext);
+  ResolutionWorkItem createWorkItem(Element element);
 
   /// Returns `true` if [element] as a fully computed [ResolvedAst].
   bool hasResolvedAst(ExecutableElement element);
 
   /// Returns the `ResolvedAst` for the [element].
   ResolvedAst getResolvedAst(ExecutableElement element);
 
   /// Returns `true` if the [ResolutionImpact] for [element] is cached.
   bool hasResolutionImpact(Element element);
 
@@ skipping 73 matching lines @@
       if (cls.isPatch) {
         patchParser.parsePatchClassNode(cls);
       }
     });
   }
 
   @override
   ScannerOptions getScannerOptionsFor(Element element) => new ScannerOptions(
       canUseNative: backend.canLibraryUseNative(element.library));
 }