Change cctest/test-lockers to not copy persistent handles around.

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 358 matching lines @@
     /**
      * This check fails when trying to convert between incompatible
      * handles. For example, converting from a Handle<String> to a
      * Handle<Number>.
      */
     TYPE_CHECK(T, S);
   }
 
   template <class S> V8_INLINE(Persistent(S* that)) : Handle<T>(that) { }
 
+  template <class S> V8_INLINE(Persistent(Isolate* isolate, Handle<S> that))
+      : Handle<T>(New(isolate, that)) { }

[dcarney, 2013/04/24 13:46:02]

Should be a comment here.  This is required for handlocalypse, but is a HUGE
departure from the V8 api, since it's a call to New without being explicit.

+
   /**
    * "Casts" a plain handle which is known to be a persistent handle
    * to a persistent handle.
    */
   template <class S> explicit V8_INLINE(Persistent(Handle<S> that))
       : Handle<T>(*that) { }
 
   template <class S> V8_INLINE(static Persistent<T> Cast(Persistent<S> that)) {
 #ifdef V8_ENABLE_CHECKS
     // If we're going to perform the type check then we have to check
@@ skipping 4832 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_