Decouple FileSystem and WebSQL callbacks from VoidCallback and it non-refcounted

Source/modules/filesystem/DirectoryEntry.cpp

 /*
  * Copyright (C) 2010 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "modules/filesystem/DirectoryEntry.h"
 
 #include "core/fileapi/FileError.h"
-#include "core/html/VoidCallback.h"
 #include "modules/filesystem/DirectoryReader.h"
 #include "modules/filesystem/EntryCallback.h"
 #include "modules/filesystem/ErrorCallback.h"
+#include "modules/filesystem/FileSystemVoidCallback.h"
 
 namespace WebCore {
 
 DirectoryEntry::DirectoryEntry(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     : Entry(fileSystem, fullPath)
 {
     ScriptWrappable::init(this);
 }
 
 PassRefPtr<DirectoryReader> DirectoryEntry::createReader()
 {
     return DirectoryReader::create(m_fileSystem, m_fullPath);
 }
 
 void DirectoryEntry::getFile(const String& path, const Dictionary& options, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
 {
     FileSystemFlags flags(options);
     m_fileSystem->getFile(this, path, flags, successCallback, errorCallback);
 }
 
 void DirectoryEntry::getDirectory(const String& path, const Dictionary& options, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
 {
     FileSystemFlags flags(options);
     m_fileSystem->getDirectory(this, path, flags, successCallback, errorCallback);
 }
 
-void DirectoryEntry::removeRecursively(PassRefPtr<VoidCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback) const
+void DirectoryEntry::removeRecursively(PassRefPtr<FileSystemVoidCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback) const
 {
     m_fileSystem->removeRecursively(this, successCallback, errorCallback);
 }
 
 }