two pass phantom collection

src/global-handles.h

 // Copyright 2011 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.
 
 #ifndef V8_GLOBAL_HANDLES_H_
 #define V8_GLOBAL_HANDLES_H_
 
 #include "include/v8.h"
 #include "include/v8-profiler.h"
 
@@ skipping 331 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalHandles);
 };
 
 
 class GlobalHandles::PendingPhantomCallback {
  public:
   typedef v8::WeakCallbackInfo<void> Data;
-  PendingPhantomCallback(Node* node, Data data, Data::Callback callback)
-      : node_(node), data_(data), callback_(callback) {}
+  PendingPhantomCallback(
+      Node* node, Data::Callback callback, void* parameter,
+      void* internal_fields[v8::kInternalFieldsInWeakCallback])
+      : node_(node), callback_(callback), parameter_(parameter) {
+    for (int i = 0; i < v8::kInternalFieldsInWeakCallback; ++i) {
+      internal_fields_[i] = internal_fields[i];
+    }
+  }
 
-  void invoke();
+  void Invoke(Isolate* isolate);
 
   Node* node() { return node_; }
+  Data::Callback callback() { return callback_; }
 
  private:
   Node* node_;
-  Data data_;
   Data::Callback callback_;
+  void* parameter_;
+  void* internal_fields_[v8::kInternalFieldsInWeakCallback];
 };
 
 
 class EternalHandles {
  public:
   enum SingletonHandle {
     I18N_TEMPLATE_ONE,
     I18N_TEMPLATE_TWO,
     DATE_CACHE_VERSION,
 
@@ skipping 56 matching lines @@
   List<int> new_space_indices_;
   int singleton_handles_[NUMBER_OF_SINGLETON_HANDLES];
 
   DISALLOW_COPY_AND_ASSIGN(EternalHandles);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_GLOBAL_HANDLES_H_