Add Isolate parameter to HandleScope::NumberOfHandles.

include/v8.h

 // Copyright 2012 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 805 matching lines @@
  */
 class V8_EXPORT HandleScope {
  public:
   HandleScope(Isolate* isolate);
 
   ~HandleScope();
 
   /**
    * Counts the number of allocated handles.
    */
-  static int NumberOfHandles();
+  static int NumberOfHandles(Isolate* isolate);
 
  private:
   /**
    * Creates a new handle with the given value.
    */
   static internal::Object** CreateHandle(internal::Isolate* isolate,
                                          internal::Object* value);
   // Uses HeapObject to obtain the current Isolate.
   static internal::Object** CreateHandle(internal::HeapObject* heap_object,
                                          internal::Object* value);
@@ skipping 5591 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_