Make WebFileSystemCallbacks not self-destruct, deprecate AsyncFileSystem

Source/bindings/v8/SerializedScriptValue.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 1862 matching lines @@
     {
         uint32_t type;
         String name;
         String url;
         if (!doReadUint32(&type))
             return false;
         if (!readWebCoreString(&name))
             return false;
         if (!readWebCoreString(&url))
             return false;
-        RefPtr<DOMFileSystem> fs = DOMFileSystem::create(getScriptExecutionContext(), name, static_cast<WebCore::FileSystemType>(type), KURL(ParsedURLString, url), AsyncFileSystem::create());
+        RefPtr<DOMFileSystem> fs = DOMFileSystem::create(getScriptExecutionContext(), name, static_cast<WebCore::FileSystemType>(type), KURL(ParsedURLString, url));
         *value = toV8(fs.release(), v8::Handle<v8::Object>(), m_isolate);
         return true;
     }
 
     bool readFile(v8::Handle<v8::Value>* value)
     {
         String path;
         String url;
         String type;
         if (!readWebCoreString(&path))
@@ skipping 637 matching lines @@
         v8::V8::AdjustAmountOfExternalAllocatedMemory(-m_externallyAllocatedMemory);
     }
 }
 
 uint32_t SerializedScriptValue::wireFormatVersion()
 {
     return WebCore::wireFormatVersion;
 }
 
 } // namespace WebCore