Remove GlobalHandles::number_of_weak_handles_ and number_of_global_object_weak_handles_

src/global-handles.h

 // 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
@@ skipping 116 matching lines @@
   // 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 callback);
 
   static void SetWrapperClassId(Object** location, uint16_t class_id);
   static uint16_t GetWrapperClassId(Object** location);
 
   // Returns the current number of weak handles.
-  int NumberOfWeakHandles() { return number_of_weak_handles_; }
+  int NumberOfWeakHandles();
 
   void RecordStats(HeapStats* stats);
 
   // Returns the current number of weak handles to global objects.
   // These handles are also included in NumberOfWeakHandles().
-  int NumberOfGlobalObjectWeakHandles() {
-    return number_of_global_object_weak_handles_;
-  }
+  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.
@@ skipping 95 matching lines @@
  private:
   explicit GlobalHandles(Isolate* isolate);
 
   // Internal node structures.
   class Node;
   class NodeBlock;
   class NodeIterator;
 
   Isolate* isolate_;
 
-  // Field always containing the number of weak and near-death handles.
-  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_.
-  int number_of_global_object_weak_handles_;
-
   // 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.
@@ skipping 10 matching lines @@
 
   friend class Isolate;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalHandles);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_GLOBAL_HANDLES_H_