[strong] Refactor ObjectStrength into a replacement for strong boolean args

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 372 matching lines @@
       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,
-      ObjectStrength strength = WEAK,
-      PretenureFlag pretenure = NOT_TENURED);
+  Handle<JSArray> NewJSArray(ElementsKind elements_kind,
+                             Strength strength = Strength::NORMAL,
+                             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,
-      ObjectStrength strength = WEAK,
+      Strength strength = Strength::NORMAL,
       ArrayStorageAllocationMode mode = DONT_INITIALIZE_ARRAY_ELEMENTS,
       PretenureFlag pretenure = NOT_TENURED);
 
   Handle<JSArray> NewJSArray(
-      int capacity,
-      ElementsKind elements_kind = TERMINAL_FAST_ELEMENTS_KIND,
-      ObjectStrength strength = WEAK,
+      int capacity, ElementsKind elements_kind = TERMINAL_FAST_ELEMENTS_KIND,
+      Strength strength = Strength::NORMAL,
       PretenureFlag pretenure = NOT_TENURED) {
     if (capacity != 0) {
       elements_kind = GetHoleyElementsKind(elements_kind);
     }
     return NewJSArray(elements_kind, 0, capacity, strength,
                       INITIALIZE_ARRAY_ELEMENTS_WITH_HOLE, pretenure);
   }
 
   // Create a JSArray with the given elements.
-  Handle<JSArray> NewJSArrayWithElements(
-      Handle<FixedArrayBase> elements,
-      ElementsKind elements_kind,
-      int length,
-      ObjectStrength strength = WEAK,
-      PretenureFlag pretenure = NOT_TENURED);
+  Handle<JSArray> NewJSArrayWithElements(Handle<FixedArrayBase> elements,
+                                         ElementsKind elements_kind, int length,
+                                         Strength strength = Strength::NORMAL,
+                                         PretenureFlag pretenure = NOT_TENURED);
 
   Handle<JSArray> NewJSArrayWithElements(
       Handle<FixedArrayBase> elements,
       ElementsKind elements_kind = TERMINAL_FAST_ELEMENTS_KIND,
-      ObjectStrength strength = WEAK,
+      Strength strength = Strength::NORMAL,
       PretenureFlag pretenure = NOT_TENURED) {
     return NewJSArrayWithElements(elements, elements_kind, elements->length(),
                                   strength, pretenure);
   }
 
   void NewJSArrayStorage(
       Handle<JSArray> array,
       int length,
       int capacity,
       ArrayStorageAllocationMode mode = DONT_INITIALIZE_ARRAY_ELEMENTS);
@@ skipping 302 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_