dart2js: emit noSuchMethod stubs in the new emitter.

pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart

Index: pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart
diff --git a/pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart b/pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart
index 37241459e02d190e9ca1fc1f404f0d3fbd833fe5..74d3ee0d0714a17f815a39f7fddd9a4cb1239825 100644
--- a/pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart
+++ b/pkg/compiler/lib/src/js_emitter/old_emitter/nsm_emitter.dart
@@ -49,11 +49,9 @@ class NsmEmitter extends CodeEmitterHelper {
           isTrivialNsmHandler(type, argNames, selector, jsName) &&
           reflectionName == null) {
         trivialNsmHandlers.add(selector);
-      }
-
-      jsAst.Expression method = generator.generateStubForNoSuchMethod(selector);
-      if (method != null) {
-        addProperty(jsName, method);
+      } else {
+        StubMethod method = generator.generateStubForNoSuchMethod(selector);
+        addProperty(jsName, method.code);

[floitsch, 2015/02/03 13:07:08]

addProperty(method.name, method.code) ?
assert that they are the same?

[zarah, 2015/02/03 14:07:10]

Passing it to the generator now.

         if (reflectionName != null) {
           bool accessible = compiler.world.allFunctions.filter(selector).any(
               (Element e) => backend.isAccessibleByReflection(e));