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diff --git a/src/3rdparty/v8/src/global-handles.h b/src/3rdparty/v8/src/global-handles.h
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-// Copyright 2011 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 "../include/v8-profiler.h"
-
-#include "list.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.
-
-// 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:
-  static ObjectGroup* New(Object*** handles,
-                          size_t length,
-                          v8::RetainedObjectInfo* info) {
-    ASSERT(length > 0);
-    ObjectGroup* group = reinterpret_cast<ObjectGroup*>(
-        malloc(OFFSET_OF(ObjectGroup, objects_[length])));
-    group->length_ = length;
-    group->info_ = info;
-    CopyWords(group->objects_, handles, static_cast<int>(length));
-    return group;
-  }
-
-  void Dispose() {
-    if (info_ != NULL) info_->Dispose();
-    free(this);
-  }
-
-  size_t length_;
-  v8::RetainedObjectInfo* info_;
-  Object** objects_[1];  // Variable sized array.
-
- private:
-  void* operator new(size_t size);
-  void operator delete(void* p);
-  ~ObjectGroup();
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ObjectGroup);
-};
-
-
-// An implicit references group consists of two parts: a parent object and
-// a list of children objects.  If the parent is alive, all the children
-// are alive too.
-class ImplicitRefGroup {
- public:
-  static ImplicitRefGroup* New(HeapObject** parent,
-                               Object*** children,
-                               size_t length) {
-    ASSERT(length > 0);
-    ImplicitRefGroup* group = reinterpret_cast<ImplicitRefGroup*>(
-        malloc(OFFSET_OF(ImplicitRefGroup, children_[length])));
-    group->parent_ = parent;
-    group->length_ = length;
-    CopyWords(group->children_, children, static_cast<int>(length));
-    return group;
-  }
-
-  void Dispose() {
-    free(this);
-  }
-
-  HeapObject** parent_;
-  size_t length_;
-  Object** children_[1];  // Variable sized array.
-
- private:
-  void* operator new(size_t size);
-  void operator delete(void* p);
-  ~ImplicitRefGroup();
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ImplicitRefGroup);
-};
-
-
-class GlobalHandles {
- public:
-  ~GlobalHandles();
-
-  // Creates a new global handle that is alive until Destroy is called.
-  Handle<Object> Create(Object* value);
-
-  // Destroy a global handle.
-  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.
-  void MakeWeak(Object** location,
-                void* parameter,
-                WeakReferenceCallback weak_reference_callback,
-                NearDeathCallback near_death_callback);
-
-  void RecordStats(HeapStats* stats);
-
-  // Returns the current number of weak handles.
-  int NumberOfWeakHandles();
-
-  // Returns the current number of weak handles to global objects.
-  // These handles are also included in NumberOfWeakHandles().
-  int NumberOfGlobalObjectWeakHandles();
-
-  // Returns the current number of handles to global objects.
-  int NumberOfGlobalHandles() {
-    return number_of_global_handles_;
-  }
-
-  // Clear the weakness of a global handle.
-  void ClearWeakness(Object** location);
-
-  // Clear the weakness of a global handle.
-  void MarkIndependent(Object** location);
-
-  // Mark the reference to this object externaly unreachable.
-  void MarkPartiallyDependent(Object** location);
-
-  static bool IsIndependent(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.
-  // Returns true if next major GC is likely to collect more garbage.
-  bool PostGarbageCollectionProcessing(GarbageCollector collector,
-                                       GCTracer* tracer);
-
-  // Iterates over all strong handles.
-  void IterateStrongRoots(ObjectVisitor* v);
-
-  // Iterates over all handles.
-  void IterateAllRoots(ObjectVisitor* v);
-
-  // Iterates over all handles that have embedder-assigned class ID.
-  void IterateAllRootsWithClassIds(ObjectVisitor* v);
-
-  // Iterates over all handles in the new space that have embedder-assigned
-  // class ID.
-  void IterateAllRootsInNewSpaceWithClassIds(ObjectVisitor* v);
-
-  // Iterates over all weak roots in heap.
-  void IterateWeakRoots(ObjectVisitor* v);
-
-  // Find all weak handles satisfying the callback predicate, mark
-  // them as pending.
-  void IdentifyWeakHandles(WeakSlotCallback f);
-
-  // NOTE: Three ...NewSpace... functions below are used during
-  // scavenge collections and iterate over sets of handles that are
-  // guaranteed to contain all handles holding new space objects (but
-  // may also include old space objects).
-
-  // Iterates over strong and dependent handles. See the node above.
-  void IterateNewSpaceStrongAndDependentRoots(ObjectVisitor* v);
-
-  // Finds weak independent or partially independent handles satisfying
-  // the callback predicate and marks them as pending. See the note above.
-  void IdentifyNewSpaceWeakIndependentHandles(WeakSlotCallbackWithHeap f);
-
-  // Iterates over weak independent or partially independent handles.
-  // See the note above.
-  void IterateNewSpaceWeakIndependentRoots(ObjectVisitor* v);
-
-  // Iterate over objects in object groups that have at least one object
-  // which requires visiting. The callback has to return true if objects
-  // can be skipped and false otherwise.
-  bool IterateObjectGroups(ObjectVisitor* v, WeakSlotCallbackWithHeap can_skip);
-
-  // Add an object group.
-  // Should be only used in GC callback function before a collection.
-  // All groups are destroyed after a garbage collection.
-  void AddObjectGroup(Object*** handles,
-                      size_t length,
-                      v8::RetainedObjectInfo* info);
-
-  // Add an implicit references' group.
-  // Should be only used in GC callback function before a collection.
-  // All groups are destroyed after a mark-compact collection.
-  void AddImplicitReferences(HeapObject** parent,
-                             Object*** children,
-                             size_t length);
-
-  // Returns the object groups.
-  List<ObjectGroup*>* object_groups() { return &object_groups_; }
-
-  // Returns the implicit references' groups.
-  List<ImplicitRefGroup*>* implicit_ref_groups() {
-    return &implicit_ref_groups_;
-  }
-
-  // Remove bags, this should only happen after GC.
-  void RemoveObjectGroups();
-  void RemoveImplicitRefGroups();
-
-  // Tear down the global handle structure.
-  void TearDown();
-
-  Isolate* isolate() { return isolate_; }
-
-#ifdef DEBUG
-  void PrintStats();
-  void Print();
-#endif
-
- private:
-  explicit GlobalHandles(Isolate* isolate);
-
-  // Internal node structures.
-  class Node;
-  class NodeBlock;
-  class NodeIterator;
-
-  Isolate* isolate_;
-
-  // Field always containing the number of handles to global objects.
-  int number_of_global_handles_;
-
-  // List of all allocated node blocks.
-  NodeBlock* first_block_;
-
-  // List of node blocks with used nodes.
-  NodeBlock* first_used_block_;
-
-  // Free list of nodes.
-  Node* first_free_;
-
-  // Contains all nodes holding new space objects. Note: when the list
-  // is accessed, some of the objects may have been promoted already.
-  List<Node*> new_space_nodes_;
-
-  int post_gc_processing_count_;
-
-  List<ObjectGroup*> object_groups_;
-  List<ImplicitRefGroup*> implicit_ref_groups_;
-
-  friend class Isolate;
-
-  DISALLOW_COPY_AND_ASSIGN(GlobalHandles);
-};
-
-
-} }  // namespace v8::internal
-
-#endif  // V8_GLOBAL_HANDLES_H_