Remove several JSFunction delegator functions.

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 66b12ead9e7a912c0ee3defe7392d2557f20a926..57ecbaaa09320be35d3bba66788bfdbdca4fdfc4 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -2278,7 +2278,7 @@ Handle<DebugInfo> Factory::NewDebugInfo(Handle<SharedFunctionInfo> shared) {
 Handle<JSObject> Factory::NewArgumentsObject(Handle<JSFunction> callee,
                                              int length) {
   bool strict_mode_callee = is_strict(callee->shared()->language_mode()) ||
-                            !callee->has_simple_parameters();
+                            !callee->shared()->has_simple_parameters();
   Handle<Map> map = strict_mode_callee ? isolate()->strict_arguments_map()
                                        : isolate()->sloppy_arguments_map();
   AllocationSiteUsageContext context(isolate(), Handle<AllocationSite>(),