Fix userVisibility() for files dragged into the renderer.

Source/core/clipboard/DataObject.cpp

 /*
  * Copyright (c) 2008, 2009, 2012 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:
  *
  *     * 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
@@ skipping 193 matching lines @@
     Vector<String> results;
     for (size_t i = 0; i < m_itemList.size(); ++i) {
         if (m_itemList[i]->isFilename())
             results.append(static_cast<File*>(m_itemList[i]->getAsFile().get())->path());
     }
     return results;
 }
 
 void DataObject::addFilename(const String& filename, const String& displayName)
 {
-    internalAddFileItem(DataObjectItem::createFromFile(File::createWithName(filename, displayName, File::AllContentTypes)));
+    internalAddFileItem(DataObjectItem::createFromFile(File::createForUserProvidedFile(filename, displayName)));
 }
 
 void DataObject::addSharedBuffer(const String& name, PassRefPtr<SharedBuffer> buffer)
 {
     internalAddFileItem(DataObjectItem::createFromSharedBuffer(name, buffer));
 }
 
 DataObject::DataObject()
     : m_modifierKeyState(0)
 {
@@ skipping 32 matching lines @@
     m_itemList.append(item);
 }
 
 void DataObject::trace(Visitor* visitor)
 {
     visitor->trace(m_itemList);
     WillBeHeapSupplementable<DataObject>::trace(visitor);
 }
 
 } // namespace blink