Introduce {FAST,SLOW}_STRING_WRAPPER_ELEMENTS

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"
 #include "src/type-feedback-vector.h"
@@ skipping 377 matching lines @@
       Handle<Map> map,
       PretenureFlag pretenure = NOT_TENURED,
       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,
-                             Strength strength = Strength::WEAK,
-                             PretenureFlag pretenure = NOT_TENURED);
-
   // Create a JSArray with a specified length and elements initialized
   // according to the specified mode.
   Handle<JSArray> NewJSArray(
       ElementsKind elements_kind, int length, int capacity,
       Strength strength = Strength::WEAK,
       ArrayStorageAllocationMode mode = DONT_INITIALIZE_ARRAY_ELEMENTS,
       PretenureFlag pretenure = NOT_TENURED);
 
   Handle<JSArray> NewJSArray(
       int capacity, ElementsKind elements_kind = TERMINAL_FAST_ELEMENTS_KIND,
@@ skipping 284 matching lines @@
   Handle<Object> GetNumberStringCache(Handle<Object> number);
 
   // Update the cache with a new number-string pair.
   void SetNumberStringCache(Handle<Object> number, Handle<String> string);
 
   // Creates a function initialized with a shared part.
   Handle<JSFunction> NewFunction(Handle<Map> map,
                                  Handle<SharedFunctionInfo> info,
                                  Handle<Context> context,
                                  PretenureFlag pretenure = TENURED);
+
+  // Create a JSArray with no elements and no length.
+  Handle<JSArray> NewJSArray(ElementsKind elements_kind,
+                             Strength strength = Strength::WEAK,
+                             PretenureFlag pretenure = NOT_TENURED);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_FACTORY_H_