ElementsAccessor::Delete() maybehandlified.

src/objects.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 2907 matching lines @@
                               StoreFromKeyed store_mode,
                               ValueType value_type,
                               TransitionFlag flag);
 
   // Add a property to a slow-case object.
   static void AddSlowProperty(Handle<JSObject> object,
                               Handle<Name> name,
                               Handle<Object> value,
                               PropertyAttributes attributes);
 
-  static Handle<Object> DeleteProperty(Handle<JSObject> object,
-                                       Handle<Name> name,
-                                       DeleteMode mode);
+  MUST_USE_RESULT static MaybeHandle<Object> DeleteProperty(
+      Handle<JSObject> object,
+      Handle<Name> name,
+      DeleteMode mode);
   static Handle<Object> DeletePropertyPostInterceptor(Handle<JSObject> object,
                                                       Handle<Name> name,
                                                       DeleteMode mode);
   static Handle<Object> DeletePropertyWithInterceptor(Handle<JSObject> object,
                                                       Handle<Name> name);
 
   // Deletes the named property in a normalized object.
   static Handle<Object> DeleteNormalizedProperty(Handle<JSObject> object,
                                                  Handle<Name> name,
                                                  DeleteMode mode);
 
-  static Handle<Object> DeleteElement(Handle<JSObject> object,
-                                      uint32_t index,
-                                      DeleteMode mode);
-  static Handle<Object> DeleteElementWithInterceptor(Handle<JSObject> object,
-                                                     uint32_t index);
+  MUST_USE_RESULT static MaybeHandle<Object> DeleteElement(
+      Handle<JSObject> object,
+      uint32_t index,
+      DeleteMode mode);
+  MUST_USE_RESULT static MaybeHandle<Object> DeleteElementWithInterceptor(
+      Handle<JSObject> object,
+      uint32_t index);
 
   bool ReferencesObjectFromElements(FixedArray* elements,
                                     ElementsKind kind,
                                     Object* object);
 
   // Returns true if most of the elements backing storage is used.
   bool HasDenseElements();
 
   // Gets the current elements capacity and the number of used elements.
   void GetElementsCapacityAndUsage(int* capacity, int* used);
@@ skipping 1010 matching lines @@
   // Set the details for entry.
   void DetailsAtPut(int entry, PropertyDetails value) {
     this->set(HashTable<Shape, Key>::EntryToIndex(entry) + 2, value.AsSmi());
   }
 
   // Sorting support
   void CopyValuesTo(FixedArray* elements);
 
   // Delete a property from the dictionary.
   Object* DeleteProperty(int entry, JSObject::DeleteMode mode);
+  // TODO(ishell): Temporary wrapper until handlified.
+  static Handle<Object> DeleteProperty(
+      Handle<Dictionary<Shape, Key> > dictionary,
+      int entry,
+      JSObject::DeleteMode mode);
 
   // Attempt to shrink the dictionary after deletion of key.
   MUST_USE_RESULT MaybeObject* Shrink(Key key);
+  // TODO(ishell): Temporary wrapper until handlified.
+  MUST_USE_RESULT static Handle<FixedArray> Shrink(
+      Handle<Dictionary<Shape, Key> > dictionary,
+      Key key);
 
   // Returns the number of elements in the dictionary filtering out properties
   // with the specified attributes.
   int NumberOfElementsFilterAttributes(PropertyAttributes filter);
 
   // Returns the number of enumerable elements in the dictionary.
   int NumberOfEnumElements();
 
   enum SortMode { UNSORTED, SORTED };
   // Copies keys to preallocated fixed array.
@@ skipping 7009 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_