[api] Remove marking persistents as partially dependent

include/v8.h

 // 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.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 556 matching lines @@
 
   /**
    * Marks the reference to this object independent. Garbage collector is free
    * to ignore any object groups containing this object. Weak callback for an
    * independent handle should not assume that it will be preceded by a global
    * GC prologue callback or followed by a global GC epilogue callback.
    */
   V8_INLINE void MarkIndependent();
 
   /**
-   * Marks the reference to this object partially dependent. Partially dependent
-   * handles only depend on other partially dependent handles and these
-   * dependencies are provided through object groups. It provides a way to build
-   * smaller object groups for young objects that represent only a subset of all
-   * external dependencies. This mark is automatically cleared after each
-   * garbage collection.
-   */
-  V8_INLINE V8_DEPRECATED(
-      "deprecated optimization, do not use partially dependent groups",
-      void MarkPartiallyDependent());
-
-  /**
    * Marks the reference to this object as active. The scavenge garbage
    * collection should not reclaim the objects marked as active.
    * This bit is cleared after the each garbage collection pass.
    */
   V8_INLINE void MarkActive();
 
   V8_INLINE bool IsIndependent() const;
 
   /** Checks if the handle holds the only reference to an object. */
   V8_INLINE bool IsNearDeath() const;
@@ skipping 7720 matching lines @@
   static const int kFalseValueRootIndex = 8;
   static const int kEmptyStringRootIndex = 9;
 
   static const int kNodeClassIdOffset = 1 * kApiPointerSize;
   static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3;
   static const int kNodeStateMask = 0x7;
   static const int kNodeStateIsWeakValue = 2;
   static const int kNodeStateIsPendingValue = 3;
   static const int kNodeStateIsNearDeathValue = 4;
   static const int kNodeIsIndependentShift = 3;
-  static const int kNodeIsPartiallyDependentShift = 4;
   static const int kNodeIsActiveShift = 4;
 
   static const int kJSObjectType = 0xbc;
   static const int kJSApiObjectType = 0xbb;
   static const int kFirstNonstringType = 0x80;
   static const int kOddballType = 0x83;
   static const int kForeignType = 0x87;
 
   static const int kUndefinedOddballKind = 5;
   static const int kNullOddballKind = 3;
@@ skipping 275 matching lines @@
 
 template <class T>
 void PersistentBase<T>::MarkIndependent() {
   typedef internal::Internals I;
   if (this->IsEmpty()) return;
   I::UpdateNodeFlag(reinterpret_cast<internal::Object**>(this->val_),
                     true,
                     I::kNodeIsIndependentShift);
 }
 
-
-template <class T>
-void PersistentBase<T>::MarkPartiallyDependent() {
-  typedef internal::Internals I;
-  if (this->IsEmpty()) return;
-  I::UpdateNodeFlag(reinterpret_cast<internal::Object**>(this->val_),
-                    true,
-                    I::kNodeIsPartiallyDependentShift);
-}
-
-
 template <class T>
 void PersistentBase<T>::MarkActive() {
   typedef internal::Internals I;
   if (this->IsEmpty()) return;
   I::UpdateNodeFlag(reinterpret_cast<internal::Object**>(this->val_), true,
                     I::kNodeIsActiveShift);
 }
 
 
 template <class T>
@@ skipping 1046 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // INCLUDE_V8_H_