Remove unused byte from Map::instance_sizes field.

src/factory.h

 // Copyright 2014 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_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "src/isolate.h"
 #include "src/messages.h"
 
@@ skipping 361 matching lines @@
                                           Handle<AllocationSite> site);
 
   // Global objects are pretenured and initialized based on a constructor.
   Handle<GlobalObject> NewGlobalObject(Handle<JSFunction> constructor);
 
   // JS objects are pretenured when allocated by the bootstrapper and
   // runtime.
   Handle<JSObject> NewJSObjectFromMap(
       Handle<Map> map,
       PretenureFlag pretenure = NOT_TENURED,
-      bool allocate_properties = true,
       Handle<AllocationSite> allocation_site = Handle<AllocationSite>::null());
 
   // JS modules are pretenured.
   Handle<JSModule> NewJSModule(Handle<Context> context,
                                Handle<ScopeInfo> scope_info);
 
   // JS arrays are pretenured when allocated by the parser.
 
   // Create a JSArray with no elements.
   Handle<JSArray> NewJSArray(ElementsKind elements_kind,
@@ skipping 344 matching lines @@
   // Reinitialize a JSProxy into an (empty) JS object of respective type and
   // size, but keeping the original prototype.  The receiver must have at least
   // the size of the new object.  The object is reinitialized and behaves as an
   // object that has been freshly allocated.
   void ReinitializeJSProxy(Handle<JSProxy> proxy, InstanceType type, int size);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_