Provide private symbols through internal APIs

src/api.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 166 matching lines @@
   V(Int8Array, JSTypedArray)                   \
   V(Uint16Array, JSTypedArray)                 \
   V(Int16Array, JSTypedArray)                  \
   V(Uint32Array, JSTypedArray)                 \
   V(Int32Array, JSTypedArray)                  \
   V(Float32Array, JSTypedArray)                \
   V(Float64Array, JSTypedArray)                \
   V(DataView, JSDataView)                      \
   V(String, String)                            \
   V(Symbol, Symbol)                            \
+  V(Private, Private)                          \
   V(Script, Object)                            \
   V(Function, JSFunction)                      \
   V(Message, JSObject)                         \
   V(Context, Context)                          \
   V(External, Foreign)                         \
   V(StackTrace, JSArray)                       \
   V(StackFrame, JSObject)                      \
   V(DeclaredAccessorDescriptor, DeclaredAccessorDescriptor)
 
 
 class Utils {
  public:
   static bool ReportApiFailure(const char* location, const char* message);
 
   static Local<FunctionTemplate> ToFunctionTemplate(NeanderObject obj);
   static Local<ObjectTemplate> ToObjectTemplate(NeanderObject obj);
 
   static inline Local<Context> ToLocal(
       v8::internal::Handle<v8::internal::Context> obj);
   static inline Local<Value> ToLocal(
       v8::internal::Handle<v8::internal::Object> obj);
   static inline Local<Function> ToLocal(
       v8::internal::Handle<v8::internal::JSFunction> obj);
   static inline Local<String> ToLocal(
       v8::internal::Handle<v8::internal::String> obj);
   static inline Local<Symbol> ToLocal(
       v8::internal::Handle<v8::internal::Symbol> obj);
+  static inline Local<Private> ToLocal(
+      v8::internal::Handle<v8::internal::Private> obj);
   static inline Local<RegExp> ToLocal(
       v8::internal::Handle<v8::internal::JSRegExp> obj);
   static inline Local<Object> ToLocal(
       v8::internal::Handle<v8::internal::JSObject> obj);
   static inline Local<Array> ToLocal(
       v8::internal::Handle<v8::internal::JSArray> obj);
   static inline Local<ArrayBuffer> ToLocal(
       v8::internal::Handle<v8::internal::JSArrayBuffer> obj);
   static inline Local<ArrayBufferView> ToLocal(
       v8::internal::Handle<v8::internal::JSArrayBufferView> obj);
@@ skipping 119 matching lines @@
     ASSERT(obj->type() == typeConst);                                       \
     return Convert<v8::internal::JSTypedArray, v8::TypedArray>(obj);        \
   }
 
 
 MAKE_TO_LOCAL(ToLocal, Context, Context)
 MAKE_TO_LOCAL(ToLocal, Object, Value)
 MAKE_TO_LOCAL(ToLocal, JSFunction, Function)
 MAKE_TO_LOCAL(ToLocal, String, String)
 MAKE_TO_LOCAL(ToLocal, Symbol, Symbol)
+MAKE_TO_LOCAL(ToLocal, Private, Private)
 MAKE_TO_LOCAL(ToLocal, JSRegExp, RegExp)
 MAKE_TO_LOCAL(ToLocal, JSObject, Object)
 MAKE_TO_LOCAL(ToLocal, JSArray, Array)
 MAKE_TO_LOCAL(ToLocal, JSArrayBuffer, ArrayBuffer)
 MAKE_TO_LOCAL(ToLocal, JSArrayBufferView, ArrayBufferView)
 MAKE_TO_LOCAL(ToLocal, JSDataView, DataView)
 MAKE_TO_LOCAL(ToLocal, JSTypedArray, TypedArray)
 
 MAKE_TO_LOCAL_TYPED_ARRAY(Uint8Array, kExternalUnsignedByteArray)
 MAKE_TO_LOCAL_TYPED_ARRAY(Uint8ClampedArray, kExternalPixelArray)
@@ skipping 344 matching lines @@
     stress_type_ = stress_type;
   }
 
  private:
   static v8::Testing::StressType stress_type_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_API_H_