v8::Private::ForApi should be context-independent.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index 9e63c5dc35e7497a88ae8c8c4daa4a075ba46e5d..4d7446cbb55919ae3663b28dd5a09f0b7e7cfc9e 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -192,7 +192,9 @@ using v8::MemoryPressureLevel;
     ExperimentalExtraNativesSourceCache)                                       \
   /* Lists and dictionaries */                                                 \
   V(NameDictionary, empty_properties_dictionary, EmptyPropertiesDictionary)    \
-  V(Object, symbol_registry, SymbolRegistry)                                   \
+  V(NameDictionary, public_symbol_table, PublicSymbolTable)                    \
+  V(NameDictionary, api_symbol_table, ApiSymbolTable)                          \
+  V(NameDictionary, api_private_symbol_table, ApiPrivateSymbolTable)           \
   V(Object, script_list, ScriptList)                                           \
   V(UnseededNumberDictionary, code_stubs, CodeStubs)                           \
   V(FixedArray, materialized_objects, MaterializedObjects)                     \