Support runtime check of function types.

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

 // Copyright (c) 2012, 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;
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
@@ skipping 137 matching lines @@
   void registerIsCheck(DartType type,
                        Enqueuer enqueuer,
                        TreeElements elements) {}
   void registerAsCheck(DartType type, TreeElements elements) {}
   void registerThrowNoSuchMethod(TreeElements elements) {}
   void registerThrowRuntimeError(TreeElements elements) {}
   void registerAbstractClassInstantiation(TreeElements elements) {}
   void registerFallThroughError(TreeElements elements) {}
   void registerSuperNoSuchMethod(TreeElements elements) {}
   void registerConstantMap(TreeElements elements) {}
+  /**
+   * Called this to register that a getter exists for a function on an
+   * instantiated generic class.
+   */
+  void registerGenericClosure(Enqueuer enqueuer, TreeElements elements) {}
   void registerRuntimeType(TreeElements elements) {}
 
   bool isNullImplementation(ClassElement cls) {
     return cls == compiler.nullClass;
   }
   ClassElement get intImplementation => compiler.intClass;
   ClassElement get doubleImplementation => compiler.doubleClass;
   ClassElement get numImplementation => compiler.numClass;
   ClassElement get stringImplementation => compiler.stringClass;
   ClassElement get listImplementation => compiler.listClass;
@@ skipping 1073 matching lines @@
 
   void close() {}
 
   toString() => name;
 
   /// Convenience method for getting an [api.CompilerOutputProvider].
   static NullSink outputProvider(String name, String extension) {
     return new NullSink('$name.$extension');
   }
 }