Revert "Cleanup TypedSelector.appliesUnnamed"

pkg/compiler/lib/src/js_emitter/old_emitter/class_emitter.dart

Index: pkg/compiler/lib/src/js_emitter/old_emitter/class_emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/class_emitter.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/class_emitter.dart
index 1fdda0c998ac7ae872c0fc968988eacdb232764d..0de9dc06539097f9ba7530f7ae6a52d056531c8c 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/class_emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/class_emitter.dart
@@ -482,16 +482,11 @@ class ClassEmitter extends CodeEmitterHelper {
             || compiler.codegenWorld.hasInvokedSetter(field, compiler.world));
   }
 
+  // We never access a field in a closure (a captured variable) without knowing
+  // that it is there.  Therefore we don't need to use a getter (that will throw
+  // if the getter method is missing), but can always access the field directly.
   static bool fieldAccessNeverThrows(VariableElement field) {
-    return
-        // Exceptions for missing static and top level fields are generated at
-        // compile time.
-        field.isStatic || field.isTopLevel ||
-        // We never access a field in a closure (a captured variable) without
-        // knowing that it is there.  Therefore we don't need to use a getter
-        // (that will throw if the getter method is missing), but can always
-        // access the field directly.
-        field is ClosureFieldElement;
+    return field is ClosureFieldElement;
   }
 
   bool canAvoidGeneratedCheckedSetter(VariableElement member) {