Revert of Replace all remaining Oddball checks with new function

src/lookup.cc

Index: src/lookup.cc
diff --git a/src/lookup.cc b/src/lookup.cc
index 2b8d261ac0052bb71e71bed168ee44f3416ce15f..69020a776b0c87a16133c0e205c8650f8b2b52a9 100644
--- a/src/lookup.cc
+++ b/src/lookup.cc
@@ -131,7 +131,7 @@
     return result;
   }
   auto root = handle(receiver->GetRootMap(isolate)->prototype(), isolate);
-  if (root->IsNull(isolate)) {
+  if (root->IsNull()) {
     unsigned int magic = 0xbbbbbbbb;
     isolate->PushStackTraceAndDie(magic, *receiver, NULL, magic);
   }
@@ -373,7 +373,7 @@
 void LookupIterator::TransitionToAccessorProperty(
     Handle<Object> getter, Handle<Object> setter,
     PropertyAttributes attributes) {
-  DCHECK(!getter->IsNull(isolate_) || !setter->IsNull(isolate_));
+  DCHECK(!getter->IsNull() || !setter->IsNull());
   // Can only be called when the receiver is a JSObject. JSProxy has to be
   // handled via a trap. Adding properties to primitive values is not
   // observable.