Public interface of KeyedLookupCache handlified.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index e28783d4e06a5a71267830a6c5f4832c33d2599e..61d363ac20f7cd78aa62db070e372a64be10d2f6 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -5083,9 +5083,9 @@ RUNTIME_FUNCTION(Runtime_KeyedGetProperty) {
       Handle<Name> key = Handle<Name>::cast(key_obj);
       if (receiver->HasFastProperties()) {
         // Attempt to use lookup cache.
-        Map* receiver_map = receiver->map();
+        Handle<Map> receiver_map(receiver->map(), isolate);
         KeyedLookupCache* keyed_lookup_cache = isolate->keyed_lookup_cache();
-        int offset = keyed_lookup_cache->Lookup(receiver_map, *key);
+        int offset = keyed_lookup_cache->Lookup(receiver_map, key);
         if (offset != -1) {
           // Doubles are not cached, so raw read the value.
           Object* value = receiver->RawFastPropertyAt(offset);
@@ -5102,7 +5102,7 @@ RUNTIME_FUNCTION(Runtime_KeyedGetProperty) {
           // Do not track double fields in the keyed lookup cache. Reading
           // double values requires boxing.
           if (!result.representation().IsDouble()) {
-            keyed_lookup_cache->Update(receiver_map, *key, offset);
+            keyed_lookup_cache->Update(receiver_map, key, offset);
           }
           AllowHeapAllocation allow_allocation;
           return *JSObject::FastPropertyAt(