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diff --git a/V8Binding/v8/src/global-handles.h b/V8Binding/v8/src/global-handles.h
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-// Copyright 2007-2008 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_GLOBAL_HANDLES_H_
-#define V8_GLOBAL_HANDLES_H_
-
-#include "list-inl.h"
-
-namespace v8 {
-namespace internal {
-
-// Structure for tracking global handles.
-// A single list keeps all the allocated global handles.
-// Destroyed handles stay in the list but is added to the free list.
-// At GC the destroyed global handles are removed from the free list
-// and deallocated.
-
-// Callback function on handling weak global handles.
-// typedef bool (*WeakSlotCallback)(Object** pointer);
-
-// An object group is treated like a single JS object: if one of object in
-// the group is alive, all objects in the same group are considered alive.
-// An object group is used to simulate object relationship in a DOM tree.
-class ObjectGroup : public Malloced {
- public:
-  ObjectGroup() : objects_(4) {}
-  explicit ObjectGroup(size_t capacity) : objects_(capacity) {}
-
-  List<Object**> objects_;
-};
-
-
-class GlobalHandles : public AllStatic {
- public:
-  // Creates a new global handle that is alive until Destroy is called.
-  static Handle<Object> Create(Object* value);
-
-  // Destroy a global handle.
-  static void Destroy(Object** location);
-
-  // Make the global handle weak and set the callback parameter for the
-  // handle.  When the garbage collector recognizes that only weak global
-  // handles point to an object the handles are cleared and the callback
-  // function is invoked (for each handle) with the handle and corresponding
-  // parameter as arguments.  Note: cleared means set to Smi::FromInt(0). The
-  // reason is that Smi::FromInt(0) does not change during garage collection.
-  static void MakeWeak(Object** location,
-                       void* parameter,
-                       WeakReferenceCallback callback);
-
-  // Returns the current number of weak handles.
-  static int NumberOfWeakHandles() { return number_of_weak_handles_; }
-
-  // Returns the current number of weak handles to global objects.
-  // These handles are also included in NumberOfWeakHandles().
-  static int NumberOfGlobalObjectWeakHandles() {
-    return number_of_global_object_weak_handles_;
-  }
-
-  // Clear the weakness of a global handle.
-  static void ClearWeakness(Object** location);
-
-  // Tells whether global handle is near death.
-  static bool IsNearDeath(Object** location);
-
-  // Tells whether global handle is weak.
-  static bool IsWeak(Object** location);
-
-  // Process pending weak handles.
-  static void PostGarbageCollectionProcessing();
-
-  // Iterates over all handles.
-  static void IterateRoots(ObjectVisitor* v);
-
-  // Iterates over all weak roots in heap.
-  static void IterateWeakRoots(ObjectVisitor* v);
-
-  // Find all weak handles satisfying the callback predicate, mark
-  // them as pending.
-  static void IdentifyWeakHandles(WeakSlotCallback f);
-
-  // Add an object group.
-  // Should only used in GC callback function before a collection.
-  // All groups are destroyed after a mark-compact collection.
-  static void AddGroup(Object*** handles, size_t length);
-
-  // Returns the object groups.
-  static List<ObjectGroup*>* ObjectGroups();
-
-  // Remove bags, this should only happen after GC.
-  static void RemoveObjectGroups();
-
-  // Tear down the global handle structure.
-  static void TearDown();
-
-#ifdef DEBUG
-  static void PrintStats();
-  static void Print();
-#endif
- private:
-  // Internal node structure, one for each global handle.
-  class Node;
-
-  // Field always containing the number of weak and near-death handles.
-  static int number_of_weak_handles_;
-
-  // Field always containing the number of weak and near-death handles
-  // to global objects.  These objects are also included in
-  // number_of_weak_handles_.
-  static int number_of_global_object_weak_handles_;
-
-  // Global handles are kept in a single linked list pointed to by head_.
-  static Node* head_;
-  static Node* head() { return head_; }
-  static void set_head(Node* value) { head_ = value; }
-
-  // Free list for DESTROYED global handles not yet deallocated.
-  static Node* first_free_;
-  static Node* first_free() { return first_free_; }
-  static void set_first_free(Node* value) { first_free_ = value; }
-};
-
-
-} }  // namespace v8::internal
-
-#endif  // V8_GLOBAL_HANDLES_H_