Remove v8::Private

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 06b367056413fa630df133d333d9d356d96f8bdc..9d29e2824673952d0fe76eb5e1150b3fc1b593a7 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -102,7 +102,6 @@ class String;
 class StringObject;
 class Symbol;
 class SymbolObject;
-class Private;
 class Uint32;
 class Utils;
 class Value;
@@ -311,7 +310,6 @@ class Local {
   friend class String;
   friend class Object;
   friend class Context;
-  friend class Private;
   template<class F> friend class internal::CustomArguments;
   friend Local<Primitive> Undefined(Isolate* isolate);
   friend Local<Primitive> Null(Isolate* isolate);
@@ -2452,34 +2450,6 @@ class V8_EXPORT Symbol : public Name {
 
 
 /**
- * A private symbol
- *
- * This is an experimental feature. Use at your own risk.
- */
-class V8_EXPORT Private : public Data {
- public:
-  // Returns the print name string of the private symbol, or undefined if none.
-  Local<Value> Name() const;
-
-  // Create a private symbol. If name is not empty, it will be the description.
-  static Local<Private> New(
-      Isolate *isolate, Local<String> name = Local<String>());
-
-  // Retrieve a global private symbol. If a symbol with this name has not
-  // been retrieved in the same isolate before, it is created.
-  // Note that private symbols created this way are never collected, so
-  // they should only be used for statically fixed properties.
-  // Also, there is only one global name space for the names used as keys.
-  // To minimize the potential for clashes, use qualified names as keys,
-  // e.g., "Class#property".
-  static Local<Private> ForApi(Isolate *isolate, Local<String> name);
-
- private:
-  Private();
-};
-
-
-/**
  * A JavaScript number value (ECMA-262, 4.3.20)
  */
 class V8_EXPORT Number : public Primitive {
@@ -2683,18 +2653,6 @@ class V8_EXPORT Object : public Value {
                            AccessControl settings = DEFAULT);
 
   /**
-   * Functionality for private properties.
-   * This is an experimental feature, use at your own risk.
-   * Note: Private properties are inherited. Do not rely on this, since it may
-   * change.
-   */
-  // TODO(dcarney): convert these or remove?
-  bool HasPrivate(Handle<Private> key);
-  bool SetPrivate(Handle<Private> key, Handle<Value> value);
-  bool DeletePrivate(Handle<Private> key);
-  Local<Value> GetPrivate(Handle<Private> key);
-
-  /**
    * Returns an array containing the names of the enumerable properties
    * of this object, including properties from prototype objects.  The
    * array returned by this method contains the same values as would