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

Source/modules/filesystem/DirectoryEntry.h

 /*
  * 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 25 matching lines @@
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class DOMFileSystemBase;
 class DirectoryReader;
 class EntryCallback;
 class ErrorCallback;
-class VoidCallback;
+class FileSystemVoidCallback;
 
 class DirectoryEntry : public Entry {
 public:
     static PassRefPtr<DirectoryEntry> create(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     {
         return adoptRef(new DirectoryEntry(fileSystem, fullPath));
     }
     virtual bool isDirectory() const { return true; }
 
     PassRefPtr<DirectoryReader> createReader();
     void getFile(const String& path, const Dictionary&, PassRefPtr<EntryCallback> = 0, PassRefPtr<ErrorCallback> = 0);
     void getDirectory(const String& path, const Dictionary&, PassRefPtr<EntryCallback> = 0, PassRefPtr<ErrorCallback> = 0);
-    void removeRecursively(PassRefPtr<VoidCallback> successCallback = 0, PassRefPtr<ErrorCallback> = 0) const;
+    void removeRecursively(PassRefPtr<FileSystemVoidCallback> successCallback = 0, PassRefPtr<ErrorCallback> = 0) const;
 
 private:
     DirectoryEntry(PassRefPtr<DOMFileSystemBase>, const String& fullPath);
 };
 
 } // namespace
 
 #endif // DirectoryEntry_h