dart2js: Create noSuchMethod handlers at runtime to reduce overhead.

tests/language/no_such_method_test.dart

Index: tests/language/no_such_method_test.dart
diff --git a/tests/language/no_such_method_test.dart b/tests/language/no_such_method_test.dart
index 0bd9da381a9823f415732e29e8d963e0965a32b2..a38fe8e078d7cf313e0199c0851c7ee8bb7d3b76 100644
--- a/tests/language/no_such_method_test.dart
+++ b/tests/language/no_such_method_test.dart
@@ -3,6 +3,13 @@
 // BSD-style license that can be found in the LICENSE file.
 // Dart test program testing that NoSuchMethod is properly called.
 
+class GetName {
+  foo({a, b}) => "foo";
+  moo({b}) => "moo";
+}
+
+static String getName(im) => im.invokeOn(new GetName());
+
 class NoSuchMethodTest {
 
   foo({a : 10, b : 20}) {
@@ -10,7 +17,7 @@ class NoSuchMethodTest {
   }
 
   noSuchMethod(InvocationMirror im) {
-    Expect.equals("moo", im.memberName);
+    Expect.equals("moo", getName(im));
     Expect.equals(0, im.positionalArguments.length);
     Expect.equals(1, im.namedArguments.length);
     return foo(b:im.namedArguments["b"]);