[runtime] Remove SharedFunctionInfo::is_function which is the inverse of SFI::is_toplevel

src/runtime/runtime-internal.cc

Index: src/runtime/runtime-internal.cc
diff --git a/src/runtime/runtime-internal.cc b/src/runtime/runtime-internal.cc
index d9113753d03b2b20b1cdb86348bbd1eacdae7969..08ab2ca9cc368e0b8b5701acbac85efed90cfabf 100644
--- a/src/runtime/runtime-internal.cc
+++ b/src/runtime/runtime-internal.cc
@@ -352,12 +352,8 @@ Handle<String> RenderCallSite(Isolate* isolate, Handle<Object> object) {
   MessageLocation location;
   if (ComputeLocation(isolate, &location)) {
     Zone zone(isolate->allocator(), ZONE_NAME);
-    std::unique_ptr<ParseInfo> info;
-    if (location.function()->shared()->is_function()) {
-      info.reset(new ParseInfo(&zone, handle(location.function()->shared())));
-    } else {
-      info.reset(new ParseInfo(&zone, location.script()));
-    }
+    std::unique_ptr<ParseInfo> info(
+        new ParseInfo(&zone, handle(location.function()->shared())));
     if (parsing::ParseAny(info.get())) {
       CallPrinter printer(isolate,
                           location.function()->shared()->IsUserJavaScript());