Revert "Generate tear-off closures dynamically."

dart/sdk/lib/_internal/compiler/implementation/js_emitter/closure_invocation_element.dart

Index: dart/sdk/lib/_internal/compiler/implementation/js_emitter/closure_invocation_element.dart
diff --git a/dart/sdk/lib/_internal/compiler/implementation/js_emitter/closure_invocation_element.dart b/dart/sdk/lib/_internal/compiler/implementation/js_emitter/closure_invocation_element.dart
new file mode 100644
index 0000000000000000000000000000000000000000..0b891d0b943a3bd8014dc15b8683c69a649f7427
--- /dev/null
+++ b/dart/sdk/lib/_internal/compiler/implementation/js_emitter/closure_invocation_element.dart
@@ -0,0 +1,25 @@
+// Copyright (c) 2013, 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.
+
+part of dart2js.js_emitter;
+
+/**
+ * A function element that represents a closure call. The signature is copied
+ * from the given element.
+ */
+class ClosureInvocationElement extends FunctionElementX {
+  ClosureInvocationElement(String name,
+                           FunctionElement other)
+      : super.from(name, other, other.enclosingElement),
+        methodElement = other;
+
+  isInstanceMember() => true;
+
+  Element getOutermostEnclosingMemberOrTopLevel() => methodElement;
+
+  /**
+   * The [member] this invocation refers to.
+   */
+  Element methodElement;
+}