InvocationMirror implemented in dart2js.

lib/compiler/implementation/enqueue.dart

Index: lib/compiler/implementation/enqueue.dart
diff --git a/lib/compiler/implementation/enqueue.dart b/lib/compiler/implementation/enqueue.dart
index da3f90833c6f22e3dd398d28d6dddee44e1e643f..b5c6d4d55803600d4d854a4785de6868b3d26fcc 100644
--- a/lib/compiler/implementation/enqueue.dart
+++ b/lib/compiler/implementation/enqueue.dart
@@ -103,6 +103,8 @@ class Enqueuer {
       compiler.enabledRuntimeType = true;
     } else if (element == compiler.functionApplyMethod) {
       compiler.enabledFunctionApply = true;
+    } else if (element == compiler.invokeOnMethod) {
+      compiler.enabledInvokeOn = true;
     }
 
     // Enable isolate support if we start using something from the
@@ -247,6 +249,11 @@ class Enqueuer {
       String message = "$name != ${selector.name} (${selector.kind})";
       compiler.internalError("Wrong selector name: $message.");
     }
+    /*if (!compiler.enabledInvokeOn && name == Compiler.INVOKE_ON) {

[ngeoffray, 2012/10/26 08:34:55]

Remove comment.

[Johnni Winther, 2012/10/26 10:18:01]

Done.

+      if (selector.applies(compiler.invokeOnMethod, compiler)) {
+        compiler.enabledInvokeOn = true;
+      }
+    }*/
     Set<Selector> selectors =
         selectorsMap.putIfAbsent(name, () => new Set<Selector>());
     if (!selectors.contains(selector)) {