dart2js: emit noSuchMethod stubs in the new emitter.

pkg/compiler/lib/src/js_emitter/program_builder.dart

Index: pkg/compiler/lib/src/js_emitter/program_builder.dart
diff --git a/pkg/compiler/lib/src/js_emitter/program_builder.dart b/pkg/compiler/lib/src/js_emitter/program_builder.dart
index 912ab3754d8d9cd0035b4a5a56a02f0fde1027b7..18ccb1a1e14748021ed235c5a48a2172cf3df753 100644
--- a/pkg/compiler/lib/src/js_emitter/program_builder.dart
+++ b/pkg/compiler/lib/src/js_emitter/program_builder.dart
@@ -300,7 +300,10 @@ class ProgramBuilder {
     bool onlyForRti = _task.typeTestRegistry.rtiNeededClasses.contains(element);
 
     List<Method> methods = [];
-    List<StubMethod> callStubs = <StubMethod>[];
+    List<StubMethod> stubs = <StubMethod>[];
+
+    ClassStubGenerator classStubGenerator =
+        new ClassStubGenerator(_compiler, namer, backend);
 
     void visitMember(ClassElement enclosing, Element member) {
       assert(invariant(element, member.isDeclaration));
@@ -316,17 +319,24 @@ class ProgramBuilder {
         Set<Selector> selectors =
             _compiler.codegenWorld.invokedNames[member.name];
         if (selectors != null && !selectors.isEmpty) {
-          ClassStubGenerator generator =
-              new ClassStubGenerator(_compiler, namer, backend);
+
           Map<String, js.Expression> callStubsForMember =
-              generator.generateCallStubsForGetter(member, selectors);
+              classStubGenerator.generateCallStubsForGetter(member, selectors);
           callStubsForMember.forEach((String name, js.Expression code) {
-            callStubs.add(_buildStubMethod(name, code, element: member));
+            stubs.add(_buildStubMethod(name, code, element: member));
           });
         }
       }
     }
 
+    if (element == _compiler.objectClass) {
+      Map<String, Selector> selectors =
+          classStubGenerator.computeSelectorsForNsmHandlers();
+      selectors.forEach((String name, Selector selector) {
+        stubs.add(classStubGenerator.generateStubForNoSuchMethod(selector));
+      });
+    }
+
     ClassElement implementation = element.implementation;
 
     // MixinApplications run through the members of their mixin. Here, we are
@@ -367,7 +377,7 @@ class ProgramBuilder {
                                     name, holder,
                                     instanceFields,
                                     staticFieldsForReflection,
-                                    callStubs,
+                                    stubs,
                                     isChecks,
                                     typeTests.functionTypeIndex,
                                     isDirectlyInstantiated: isInstantiated,
@@ -376,7 +386,7 @@ class ProgramBuilder {
       result = new Class(element,
                          name, holder, methods, instanceFields,
                          staticFieldsForReflection,
-                         callStubs,
+                         stubs,
                          isChecks,
                          typeTests.functionTypeIndex,
                          isDirectlyInstantiated: isInstantiated,