crankshaft support for api method calls

src/stub-cache.h

Index: src/stub-cache.h
diff --git a/src/stub-cache.h b/src/stub-cache.h
index 9cdd77f757b3182c3345d3788010d5231ee11416..1ed5833ce7672edbacefc21055e475e1bbb67fe3 100644
--- a/src/stub-cache.h
+++ b/src/stub-cache.h
@@ -1004,10 +1004,20 @@ class CallOptimization BASE_EMBEDDED {
   // prototype chain between the two arguments
   // null will be returned if the first argument has that property
   // lookup will be set accordingly
+  Handle<Map> LookupHolderOfExpectedType(Handle<Map> receiver_map,
+                                         Handle<Map> object_map,
+                                         Handle<Map> holder_map,
+                                         HolderLookup* holder_lookup) const;
   Handle<Map> LookupHolderOfExpectedType(Handle<JSObject> receiver,
                                          Handle<JSObject> object,
                                          Handle<JSObject> holder,
-                                         HolderLookup* holder_lookup) const;
+                                         HolderLookup* holder_lookup) const {
+    Handle<Map> receiver_map(receiver->map());
+    Handle<Map> object_map(object->map());
+    Handle<Map> holder_map(holder->map());
+    return LookupHolderOfExpectedType(
+        receiver_map, object_map, holder_map, holder_lookup);
+  }
 
   bool IsCompatibleReceiver(Object* receiver) {
     ASSERT(is_simple_api_call());