Handle super calls in the backend type inferrer.

sdk/lib/_internal/compiler/implementation/js_backend/backend.dart

Index: sdk/lib/_internal/compiler/implementation/js_backend/backend.dart
===================================================================
--- sdk/lib/_internal/compiler/implementation/js_backend/backend.dart	(revision 22773)
+++ sdk/lib/_internal/compiler/implementation/js_backend/backend.dart	(working copy)
@@ -95,7 +95,7 @@
     return result;
   }
 
-  factory HTypeList.fromDynamicInvocation(HInvokeDynamic node,
+  factory HTypeList.fromDynamicInvocation(HInvoke node,
                                           Selector selector) {
     HTypeList result;
     int argumentsCount = node.inputs.length - 1;
@@ -1437,7 +1437,7 @@
    *  Register a dynamic invocation and collect the provided types for the
    *  named selector.
    */
-  void registerDynamicInvocation(HInvokeDynamic node, Selector selector) {
+  void registerDynamicInvocation(HInvoke node, Selector selector) {
     HTypeList providedTypes =
         new HTypeList.fromDynamicInvocation(node, selector);
     argumentTypes.registerDynamicInvocation(providedTypes, selector);