Implement redirecting natives.

dart/lib/compiler/implementation/ssa/nodes.dart

 // Copyright (c) 2011, 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.
 
 interface HVisitor<R> {
   R visitAdd(HAdd node);
   R visitBitAnd(HBitAnd node);
   R visitBitNot(HBitNot node);
   R visitBitOr(HBitOr node);
   R visitBitXor(HBitXor node);
@@ skipping 1159 matching lines @@
   final bool getter;
 
   HInvokeInterceptor(Selector selector,
                      SourceString this.name,
                      bool this.getter,
                      List<HInstruction> inputs)
       : super(selector, inputs);
   toString() => 'invoke interceptor: ${element.name}';
   accept(HVisitor visitor) => visitor.visitInvokeInterceptor(this);
 
-  
   String get builtinJsName() {
     if (getter
         && name == const SourceString('length')
         && inputs[1].isStringOrArray()) {
       return 'length';
     } else if (name == const SourceString('add') && inputs[1].isArray()) {
       return 'push';
     } else if (name == const SourceString('removeLast')
                && inputs[1].isArray()) {
       return 'pop';
@@ skipping 883 matching lines @@
 class HIfBlockInformation {
   final HIf branch;
   final SubGraph thenGraph;
   final SubGraph elseGraph;
   final HBasicBlock joinBlock;
   HIfBlockInformation(this.branch,
                       this.thenGraph,
                       this.elseGraph,
                       this.joinBlock);
 }