Remove Fasta's copy of accessors.dart.

pkg/compiler/lib/src/kernel/accessors.dart

 // Copyright (c) 2016, 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.md file.
 
 import 'package:kernel/ast.dart' as ir;
 import 'package:kernel/frontend/accessors.dart' as ir_accessors;
 
 import 'kernel.dart' show Kernel;
 import 'unresolved.dart' show UnresolvedVisitor;
 
 export 'package:kernel/frontend/accessors.dart' show Accessor;
 
 class TopLevelStaticAccessor extends ir_accessors.StaticAccessor {
   final UnresolvedVisitor builder;
 
   /// Name of the property attempted to be accessed, used to generate an
   /// error if unresolved.
   final String name;
 
   Kernel get kernel => builder.kernel;
 
   TopLevelStaticAccessor(
       this.builder, this.name, ir.Member readTarget, ir.Member writeTarget)
-      : super(readTarget, writeTarget);
+      : super(readTarget, writeTarget, ir.TreeNode.noOffset);
 
   @override
   makeInvalidRead() {
     return builder.buildThrowNoSuchMethodError(
         kernel.getUnresolvedTopLevelGetterBuilder(),
         new ir.NullLiteral(),
         name,
         new ir.Arguments.empty());
   }
 
@@ skipping 11 matching lines @@
   final UnresolvedVisitor builder;
 
   /// Name of the property attempted to be accessed, used to generate an
   /// error if unresolved.
   final String name;
 
   Kernel get kernel => builder.kernel;
 
   ClassStaticAccessor(
       this.builder, this.name, ir.Member readTarget, ir.Member writeTarget)
-      : super(readTarget, writeTarget);
+      : super(readTarget, writeTarget, ir.TreeNode.noOffset);
 
   @override
   makeInvalidRead() {
     return builder.buildThrowNoSuchMethodError(
         kernel.getUnresolvedStaticGetterBuilder(),
         new ir.NullLiteral(),
         name,
         new ir.Arguments.empty());
   }
 
   @override
   makeInvalidWrite(ir.Expression value) {
     return builder.buildThrowNoSuchMethodError(
         kernel.getUnresolvedStaticSetterBuilder(),
         new ir.NullLiteral(),
         name,
         new ir.Arguments(<ir.Expression>[value]));
   }
 }
 
 class SuperPropertyAccessor extends ir_accessors.SuperPropertyAccessor {
   final UnresolvedVisitor builder;
 
   SuperPropertyAccessor(
       this.builder, ir.Name name, ir.Member getter, ir.Member setter)
-      : super(name, getter, setter);
+      : super(name, getter, setter, ir.TreeNode.noOffset);
 
   @override
   makeInvalidRead() {
     // TODO(asgerf): Technically, we should invoke 'super.noSuchMethod' for
     //   this and the other invalid super cases.
     return builder.buildThrowUnresolvedSuperGetter(name.name);
   }
 
   @override
   makeInvalidWrite(ir.Expression value) {
     return builder.buildThrowUnresolvedSuperSetter(name.name, value);
   }
 }
 
 class SuperIndexAccessor extends ir_accessors.SuperIndexAccessor {
   final UnresolvedVisitor builder;
 
   Kernel get kernel => builder.kernel;
 
   SuperIndexAccessor(
       this.builder, ir.Expression index, ir.Member getter, ir.Member setter)
-      : super(index, getter, setter);
+      : super(index, getter, setter, ir.TreeNode.noOffset);
 
   @override
   makeInvalidRead() {
     return builder.buildThrowNoSuchMethodError(
         kernel.getUnresolvedSuperMethodBuilder(),
         new ir.ThisExpression(),
         '[]',
         new ir.Arguments(<ir.Expression>[indexAccess()]));
   }
 
   @override
   makeInvalidWrite(ir.Expression value) {
     return builder.buildThrowNoSuchMethodError(
         kernel.getUnresolvedSuperMethodBuilder(),
         new ir.ThisExpression(),
         '[]=',
         new ir.Arguments(<ir.Expression>[indexAccess(), value]));
   }
 }