Add optional message to assert in Dart2js - continued

pkg/compiler/lib/src/resolution/resolution_result.dart

Index: pkg/compiler/lib/src/resolution/resolution_result.dart
diff --git a/pkg/compiler/lib/src/resolution/resolution_result.dart b/pkg/compiler/lib/src/resolution/resolution_result.dart
index 91d7c62b6696e12f1cea6fe168e7a7753be2088f..6168025a7743f5de445d220c668d91d480f65bd7 100644
--- a/pkg/compiler/lib/src/resolution/resolution_result.dart
+++ b/pkg/compiler/lib/src/resolution/resolution_result.dart
@@ -83,15 +83,6 @@ class TypeResult extends ResolutionResult {
   String toString() => 'TypeResult($type)';
 }
 
-/// The result for the resolution of the `assert` method.
-class AssertResult extends ResolutionResult {
-  const AssertResult();
-
-  ResultKind get kind => ResultKind.ASSERT;
-
-  String toString() => 'AssertResult()';
-}
-
 /// The result for resolving a constant expression.
 class ConstantResult extends ResolutionResult {
   final Node node;
@@ -143,4 +134,4 @@ class ArgumentsResult {
       return result.constant;
     }).toList();
   }
-}
+}