dart2js: emit noSuchMethod stubs in the new emitter.

pkg/compiler/lib/src/js_emitter/class_stub_generator.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.
 
 part of dart2js.js_emitter;
 
 class ClassStubGenerator {
   final Namer namer;
   final Compiler compiler;
   final JavaScriptBackend backend;
@@ skipping 125 matching lines @@
         jsNames[jsName] = selector;
       }
     }
 
     compiler.codegenWorld.invokedNames.forEach(addNoSuchMethodHandlers);
     compiler.codegenWorld.invokedGetters.forEach(addNoSuchMethodHandlers);
     compiler.codegenWorld.invokedSetters.forEach(addNoSuchMethodHandlers);
     return jsNames;
   }
 
-  jsAst.Expression generateStubForNoSuchMethod(Selector selector) {
+  StubMethod generateStubForNoSuchMethod(String name, Selector selector) {
     // Values match JSInvocationMirror in js-helper library.
     int type = selector.invocationMirrorKind;
     List<String> parameterNames =
         new List.generate(selector.argumentCount, (i) => '\$$i');
 
     List<jsAst.Expression> argNames =
         selector.getOrderedNamedArguments().map((String name) =>
             js.string(name)).toList();
 
     String methodName = selector.invocationMirrorMemberName;
@@ skipping 13 matching lines @@
                     backend.getCreateInvocationMirror()),
             'methodName':
                 js.string(compiler.enableMinification
                     ? internalName : methodName),
             'internalName': js.string(internalName),
             'type': js.number(type),
             'arguments':
                 new jsAst.ArrayInitializer(parameterNames.map(js).toList()),
             'namedArguments': new jsAst.ArrayInitializer(argNames)});
 
+    jsAst.Expression function;
     if (backend.isInterceptedName(selector.name)) {
-      return js(r'function($receiver, #) { return # }',
-                [parameterNames, expression]);
+      function = js(r'function($receiver, #) { return # }',
+                              [parameterNames, expression]);
     } else {
-      return js(r'function(#) { return # }', [parameterNames, expression]);
+      function = js(r'function(#) { return # }', [parameterNames, expression]);
     }
+    return new StubMethod(name, function);
   }
 }