Wrap InitializeProperty around SetOwnPropertyIgnoreAttributes and switch over uses

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include "src/allocation.h"
 #include "src/assert-scope.h"
 #include "src/builtins.h"
@@ skipping 2135 matching lines @@
       Handle<JSObject> object,
       Handle<Name> key,
       Handle<Object> value,
       PropertyAttributes attributes,
       ValueType value_type = OPTIMAL_REPRESENTATION,
       StoreMode mode = ALLOW_AS_CONSTANT,
       ExtensibilityCheck extensibility_check = PERFORM_EXTENSIBILITY_CHECK,
       StoreFromKeyed store_mode = MAY_BE_STORE_FROM_KEYED,
       ExecutableAccessorInfoHandling handling = DEFAULT_HANDLING);
 
+  static void AddProperty(Handle<JSObject> object,
+                          Handle<Name> key,
+                          Handle<Object> value,
+                          PropertyAttributes attributes,
+                          ValueType value_type = OPTIMAL_REPRESENTATION,
+                          StoreMode mode = ALLOW_AS_CONSTANT);
+
   // Extend the receiver with a single fast property appeared first in the
   // passed map. This also extends the property backing store if necessary.
   static void AllocateStorageForMap(Handle<JSObject> object, Handle<Map> map);
 
   // Migrates the given object to a map whose field representations are the
   // lowest upper bound of all known representations for that field.
   static void MigrateInstance(Handle<JSObject> instance);
 
   // Migrates the given object only if the target map is already available,
   // or returns false if such a map is not yet available.
@@ skipping 577 matching lines @@
       PropertyAttributes attributes);
   MUST_USE_RESULT static MaybeHandle<Object> SetPropertyWithFailedAccessCheck(
       Handle<JSObject> object,
       LookupResult* result,
       Handle<Name> name,
       Handle<Object> value,
       bool check_prototype,
       StrictMode strict_mode);
 
   // Add a property to an object.
-  MUST_USE_RESULT static MaybeHandle<Object> AddProperty(
+  MUST_USE_RESULT static MaybeHandle<Object> AddPropertyInternal(
       Handle<JSObject> object,
       Handle<Name> name,
       Handle<Object> value,
       PropertyAttributes attributes,
       StrictMode strict_mode,
       StoreFromKeyed store_mode = MAY_BE_STORE_FROM_KEYED,
       ExtensibilityCheck extensibility_check = PERFORM_EXTENSIBILITY_CHECK,
       ValueType value_type = OPTIMAL_REPRESENTATION,
       StoreMode mode = ALLOW_AS_CONSTANT,
       TransitionFlag flag = INSERT_TRANSITION);
@@ skipping 8403 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_