Refactor the way we emit no such method handlers so it's easier to optimize it later.

lib/compiler/implementation/ssa/builder.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.
 
 class Interceptors {
   Compiler compiler;
   Interceptors(Compiler this.compiler);
 
   SourceString mapOperatorToMethodName(Operator op) {
     String name = op.source.stringValue;
@@ skipping 2158 matching lines @@
     FunctionElement function = element;
     FunctionSignature params = function.computeSignature(compiler);
     if (params.optionalParameterCount !== 0) {
       compiler.cancel(
           'JS_TO_CLOSURE does not handle closure with optional parameters',
           node: closure);
     }
     visit(closure);
     List<HInstruction> inputs = <HInstruction>[pop()];
     String invocationName = compiler.namer.closureInvocationName(
-        new Selector(SelectorKind.INVOCATION, params.requiredParameterCount));
+        new Selector.invocation(params.requiredParameterCount));
     push(new HForeign(new DartString.literal('#.$invocationName'),
                       const LiteralDartString('var'),
                       inputs));
   }
 
   visitForeignSend(Send node) {
     Element element = elements[node];
     if (element.name == const SourceString('JS')) {
       handleForeignJs(node);
     } else if (element.name == const SourceString('UNINTERCEPTED')) {
@@ skipping 1395 matching lines @@
           new HSubGraphBlockInformation(elseBranch.graph));
 
     HBasicBlock conditionStartBlock = conditionBranch.block;
     conditionStartBlock.setBlockFlow(info, joinBlock);
     SubGraph conditionGraph = conditionBranch.graph;
     HIf branch = conditionGraph.end.last;
     assert(branch is HIf);
     branch.blockInformation = conditionStartBlock.blockFlow;
   }
 }