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
deleted file mode 100644
index 0b891d0b943a3bd8014dc15b8683c69a649f7427..0000000000000000000000000000000000000000
--- a/dart/sdk/lib/_internal/compiler/implementation/js_emitter/closure_invocation_element.dart
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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;
-}