Support patched generic methods.

pkg/compiler/lib/src/elements/elements.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 elements;
 
 import '../common.dart';
 import '../common/resolution.dart' show Resolution;
 import '../compiler.dart' show Compiler;
 import '../constants/constructors.dart';
@@ skipping 1399 matching lines @@
 
 /// JavaScript backend specific element for the body of constructor.
 // TODO(johnniwinther): Remove this class from the element model.
 abstract class ConstructorBodyElement extends MethodElement {
   FunctionElement get constructor;
 }
 
 /// [GenericElement] defines the common interface for generic functions and
 /// [TypeDeclarationElement].
 abstract class GenericElement extends Element implements AstElement {
+  /// Do not use [computeType] outside of the resolver.
+  ///
+  /// Trying to access a type that has not been computed in resolution is an
+  /// error and calling [computeType] covers that error.
+  /// This method will go away!
+  @deprecated
+  DartType computeType(Resolution resolution);
+
   /**
    * The type variables declared on this declaration. The type variables are not
    * available until the type of the element has been computed through
    * [computeType].
    */
   List<DartType> get typeVariables;
 }
 
 /// [TypeDeclarationElement] defines the common interface for class/interface
 /// declarations and typedefs.
@@ skipping 493 matching lines @@
   /// by a field.
   bool get isDeclaredByField;
 
   /// Returns `true` if this member is abstract.
   bool get isAbstract;
 
   /// If abstract, [implementation] points to the overridden concrete member,
   /// if any. Otherwise [implementation] points to the member itself.
   Member get implementation;
 }