Make PropertyCell's set_name method private

It is only used during initialization.

Bug: v8:7790
Change-Id: I2105ad01413e3b398b3252d14e83c930c0dd3e74
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2536637Reviewed-by: Santiago Aboy Solanes <solanes@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Auto-Submit: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71186}

src/objects/object-macros.h

@@ -91,11 +91,14 @@
   }                                                     \
   type holder::name(IsolateRoot isolate) const
 
-#define DECL_ACCESSORS(name, type)   \
-  DECL_GETTER(name, type)            \
+#define DECL_SETTER(name, type)      \
   inline void set_##name(type value, \
                          WriteBarrierMode mode = UPDATE_WRITE_BARRIER);
 
+#define DECL_ACCESSORS(name, type) \
+  DECL_GETTER(name, type)          \
+  DECL_SETTER(name, type)
+
 #define DECL_ACCESSORS_LOAD_TAG(name, type, tag_type) \
   inline type name(tag_type tag) const;               \
   inline type name(IsolateRoot isolate, tag_type) const;

src/objects/property-cell.h

@@ -17,7 +17,7 @@ namespace internal {
 class PropertyCell : public HeapObject {
  public:
   // [name]: the name of the global property.
-  DECL_ACCESSORS(name, Name)
+  DECL_GETTER(name, Name)
   // [property_details]: details of the global property.
   DECL_ACCESSORS(property_details_raw, Smi)
   // [value]: value of the global property.
@@ -70,6 +70,11 @@ class PropertyCell : public HeapObject {
   using BodyDescriptor = FixedBodyDescriptor<kNameOffset, kSize, kSize>;
 
   OBJECT_CONSTRUCTORS(PropertyCell, HeapObject);
+
+ private:
+  friend class Factory;
+
+  DECL_SETTER(name, Name)
 };
 
 }  // namespace internal