remove obsolete UninferredClosure type

pkg/analyzer/lib/src/task/strong/info.dart

Index: pkg/analyzer/lib/src/task/strong/info.dart
diff --git a/pkg/analyzer/lib/src/task/strong/info.dart b/pkg/analyzer/lib/src/task/strong/info.dart
index d9c912600eaab412ce05292c1655c62663fd9cc3..ade985dfa54f0b94a840cbdef9dd58d41c6bc10f 100644
--- a/pkg/analyzer/lib/src/task/strong/info.dart
+++ b/pkg/analyzer/lib/src/task/strong/info.dart
@@ -124,16 +124,11 @@ abstract class DownCast extends CoercionInfo {
     }
 
     // Inference "casts":
-    if (expression is Literal) {
+    if (expression is Literal || expression is FunctionExpression) {
       // fromT should be an exact type - this will almost certainly fail at
       // runtime.
       return new StaticTypeError(rules, expression, toT, reason: reason);
     }
-    if (expression is FunctionExpression) {
-      // fromT should be an exact type - this will almost certainly fail at
-      // runtime.
-      return new UninferredClosure(rules, expression, cast);
-    }
     if (expression is InstanceCreationExpression) {
       ConstructorElement e = expression.staticElement;
       if (e == null || !e.isFactory) {
@@ -565,23 +560,3 @@ class StaticTypeError extends StaticError {
   @override
   String get name => 'STRONG_MODE_STATIC_TYPE_ERROR';
 }
-
-//
-// Temporary "casts" of allocation sites - literals, constructor invocations,
-// and closures.  These should be handled by contextual inference.  In most
-// cases, inference will be sufficient, though in some it may unmask an actual
-// error: e.g.,
-//   List<int> l = [1, 2, 3]; // Inference succeeds
-//   List<String> l = [1, 2, 3]; // Inference reveals static type error
-// We're marking all as warnings for now.
-//
-// TODO(vsm,leafp): Remove this.
-class UninferredClosure extends DownCast {
-  UninferredClosure(TypeSystem rules, FunctionExpression expression, Cast cast)
-      : super._internal(rules, expression, cast);
-
-  @override
-  String get name => 'STRONG_MODE_UNINFERRED_CLOSURE';
-
-  toErrorCode() => new StaticTypeWarningCode(name, message);
-}