remove most uses of raw handle constructors

src/handles.cc

 // 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 329 matching lines @@
 
 // Wrappers for scripts are kept alive and cached in weak global
 // handles referred from foreign objects held by the scripts as long as
 // they are used. When they are not used anymore, the garbage
 // collector will call the weak callback on the global handle
 // associated with the wrapper and get rid of both the wrapper and the
 // handle.
 static void ClearWrapperCache(v8::Isolate* v8_isolate,
                               Persistent<v8::Value>* handle,
                               void*) {
-  Handle<Object> cache = Utils::OpenHandle(**handle);
+  Handle<Object> cache = Utils::OpenPersistent(handle);
   JSValue* wrapper = JSValue::cast(*cache);
   Foreign* foreign = Script::cast(wrapper->value())->wrapper();
   ASSERT(foreign->foreign_address() ==
          reinterpret_cast<Address>(cache.location()));
   foreign->set_foreign_address(0);
   Isolate* isolate = reinterpret_cast<Isolate*>(v8_isolate);
   isolate->global_handles()->Destroy(cache.location());
   isolate->counters()->script_wrappers()->Decrement();
 }
 
@@ skipping 566 matching lines @@
   data->next = prev_next_;
   data->limit = prev_limit_;
 #ifdef DEBUG
   handles_detached_ = true;
 #endif
   return deferred;
 }
 
 
 } }  // namespace v8::internal