Remove calls to HandleScope default ctor.

Source/bindings/v8/NPV8Object.cpp

 /*
  * Copyright (C) 2004, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2007, 2008, 2009 Google, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 318 matching lines @@
 bool _NPN_EvaluateHelper(NPP npp, bool popupsAllowed, NPObject* npObject, NPString* npScript, NPVariant* result)
 {
     VOID_TO_NPVARIANT(*result);
     if (!npObject)
         return false;
 
     V8NPObject* v8NpObject = npObjectToV8NPObject(npObject);
     if (!v8NpObject)
         return false;
 
-    v8::HandleScope handleScope;
+    v8::HandleScope handleScope(v8::Isolate::GetCurrent());
     v8::Handle<v8::Context> context = toV8Context(npp, npObject);
     if (context.IsEmpty())
         return false;
 
     v8::Context::Scope scope(context);
     ExceptionCatcher exceptionCatcher;
 
     // FIXME: Is this branch still needed after switching to using UserGestureIndicator?
     String filename;
     if (!popupsAllowed)
@@ skipping 147 matching lines @@
 
 void _NPN_SetException(NPObject* npObject, const NPUTF8 *message)
 {
     if (!npObject || !npObjectToV8NPObject(npObject)) {
         // We won't be able to find a proper scope for this exception, so just throw it.
         // This is consistent with JSC, which throws a global exception all the time.
         throwError(v8GeneralError, message, v8::Isolate::GetCurrent());
         return;
     }
 
-    v8::HandleScope handleScope;
+    v8::HandleScope handleScope(v8::Isolate::GetCurrent());
     v8::Handle<v8::Context> context = toV8Context(0, npObject);
     if (context.IsEmpty())
         return;
 
     v8::Context::Scope scope(context);
     ExceptionCatcher exceptionCatcher;
 
     throwError(v8GeneralError, message, context->GetIsolate());
 }
 
@@ skipping 87 matching lines @@
 
         convertV8ObjectToNPVariant(resultObject, npObject, result);
         return true;
     }
 
     if (NP_CLASS_STRUCT_VERSION_HAS_CTOR(npObject->_class) && npObject->_class->construct)
         return npObject->_class->construct(npObject, arguments, argumentCount, result);
 
     return false;
 }