dart2js cps: Rewrite more List operations into JS array operations.

pkg/compiler/lib/src/tree_ir/tree_ir_builder.dart

 // Copyright (c) 2014, 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.
 
 library tree_ir_builder;
 
 import '../diagnostics/invariant.dart' show
     InternalErrorFunction;
 import '../diagnostics/spannable.dart' show
     CURRENT_ELEMENT_SPANNABLE;
@@ skipping 622 matching lines @@
   }
 
   Expression visitApplyBuiltinOperator(cps_ir.ApplyBuiltinOperator node) {
     if (node.operator == BuiltinOperator.IsFalsy) {
       return new Not(getVariableUse(node.arguments.single));
     }
     return new ApplyBuiltinOperator(node.operator,
                                     translateArguments(node.arguments));
   }
 
+  Expression visitApplyBuiltinMethod(cps_ir.ApplyBuiltinMethod node) {
+    return new ApplyBuiltinMethod(node.method,
+        getVariableUse(node.receiver),
+        translateArguments(node.arguments),
+        receiverIsNotNull: node.receiverIsNotNull);
+  }
+
   Expression visitGetLength(cps_ir.GetLength node) {
     return new GetLength(getVariableUse(node.object));
   }
 
   Expression visitGetIndex(cps_ir.GetIndex node) {
     return new GetIndex(getVariableUse(node.object),
                         getVariableUse(node.index));
   }
 
   Expression visitSetIndex(cps_ir.SetIndex node) {
@@ skipping 16 matching lines @@
 
   visitFunctionDefinition(cps_ir.FunctionDefinition node) {
     unexpectedNode(node);
   }
   visitParameter(cps_ir.Parameter node) => unexpectedNode(node);
   visitContinuation(cps_ir.Continuation node) => unexpectedNode(node);
   visitMutableVariable(cps_ir.MutableVariable node) => unexpectedNode(node);
   visitIsTrue(cps_ir.IsTrue node) => unexpectedNode(node);
 }