Inference for typed ListLiteral(s).

pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart

 // Copyright (c) 2017, 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.
 
 /// This file declares a "shadow hierarchy" of concrete classes which extend
 /// the kernel class hierarchy, adding methods and fields needed by the
 /// BodyBuilder.
 ///
 /// Instances of these classes may be created using the factory methods in
 /// `ast_factory.dart`.
@@ skipping 281 matching lines @@
   DartType _inferExpression(
       KernelTypeInferrer inferrer, DartType typeContext, bool typeNeeded) {
     IsExpression isExpression = this.operand;
     return inferrer.inferIsExpression(
         typeContext, typeNeeded, isExpression.operand);
   }
 }
 
 /// Concrete shadow object representing a list literal in kernel form.
 class KernelListLiteral extends ListLiteral implements KernelExpression {
-  KernelListLiteral(List<KernelExpression> expressions,
+  KernelListLiteral(List<Expression> expressions,
       {DartType typeArgument, bool isConst: false})
       : super(expressions, typeArgument: typeArgument, isConst: isConst);
 
   @override
   DartType _inferExpression(
       KernelTypeInferrer inferrer, DartType typeContext, bool typeNeeded) {
-    // TODO(paulberry): implement.
-    return typeNeeded ? const DynamicType() : null;
+    return inferrer.inferListLiteral(typeContext, typeNeeded, typeArgument);
   }
 }
 
 /// Shadow object for [LogicalExpression].
 class KernelLogicalExpression extends LogicalExpression
     implements KernelExpression {
   KernelLogicalExpression(Expression left, String operator, Expression right)
       : super(left, operator, right);
 
   @override
@@ skipping 557 matching lines @@
       // KernelVariableDeclaration.
       mutatedInClosure = true;
       declaredType = variable.type;
     }
     return inferrer.inferVariableGet(typeContext, typeNeeded, mutatedInClosure,
         _fact, _scope, fileOffset, declaredType, (type) {
       promotedType = type;
     });
   }
 }