Reland v8::Private and related APIs

src/heap/heap.cc

 // 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.
 
 #include "src/heap/heap.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
@@ skipping 2675 matching lines @@
 
   set_polymorphic_code_cache(PolymorphicCodeCache::cast(
       *factory->NewStruct(POLYMORPHIC_CODE_CACHE_TYPE)));
 
   set_instanceof_cache_function(Smi::FromInt(0));
   set_instanceof_cache_map(Smi::FromInt(0));
   set_instanceof_cache_answer(Smi::FromInt(0));
 
   {
     HandleScope scope(isolate());
-#define SYMBOL_INIT(name)                                                   \
-  {                                                                         \
-    Handle<String> name##d = factory->NewStringFromStaticChars(#name);      \
-    Handle<Object> symbol(isolate()->factory()->NewPrivateSymbol(name##d)); \
-    roots_[k##name##RootIndex] = *symbol;                                   \
+#define SYMBOL_INIT(name)                                              \
+  {                                                                    \
+    Handle<String> name##d = factory->NewStringFromStaticChars(#name); \
+    Handle<Symbol> symbol(isolate()->factory()->NewPrivateSymbol());   \
+    symbol->set_name(*name##d);                                        \
+    roots_[k##name##RootIndex] = *symbol;                              \
   }
     PRIVATE_SYMBOL_LIST(SYMBOL_INIT)
 #undef SYMBOL_INIT
   }
 
   {
     HandleScope scope(isolate());
 #define SYMBOL_INIT(name, description)                                      \
   Handle<Symbol> name = factory->NewSymbol();                               \
   Handle<String> name##d = factory->NewStringFromStaticChars(#description); \
@@ skipping 3445 matching lines @@
 }
 
 
 // static
 int Heap::GetStaticVisitorIdForMap(Map* map) {
   return StaticVisitorBase::GetVisitorId(map);
 }
 
 }  // namespace internal
 }  // namespace v8