Handlify JSObject::EnsureCanContainHeapObjectElements method.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1335 matching lines @@
 
   return DONT_TRACK_ALLOCATION_SITE;
 }
 
 
 inline bool AllocationSite::CanTrack(InstanceType type) {
   return type == JS_ARRAY_TYPE;
 }
 
 
-MaybeObject* JSObject::EnsureCanContainHeapObjectElements() {
-  ValidateElements();
-  ElementsKind elements_kind = map()->elements_kind();
+void JSObject::EnsureCanContainHeapObjectElements(Handle<JSObject> object) {
+  object->ValidateElements();
+  ElementsKind elements_kind = object->map()->elements_kind();
   if (!IsFastObjectElementsKind(elements_kind)) {
     if (IsFastHoleyElementsKind(elements_kind)) {
-      return TransitionElementsKind(FAST_HOLEY_ELEMENTS);
+      TransitionElementsKind(object, FAST_HOLEY_ELEMENTS);
     } else {
-      return TransitionElementsKind(FAST_ELEMENTS);
+      TransitionElementsKind(object, FAST_ELEMENTS);
     }
   }
-  return this;
 }
 
 
 MaybeObject* JSObject::EnsureCanContainElements(Object** objects,
                                                 uint32_t count,
                                                 EnsureElementsMode mode) {
   ElementsKind current_kind = map()->elements_kind();
   ElementsKind target_kind = current_kind;
   ASSERT(mode != ALLOW_COPIED_DOUBLE_ELEMENTS);
   bool is_holey = IsFastHoleyElementsKind(current_kind);
@@ skipping 4921 matching lines @@
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_