Fix IndexedDB race condition during shutdown.

chrome/browser/in_process_webkit/browser_webkitclient_impl.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_IN_PROCESS_WEBKIT_BROWSER_WEBKITCLIENT_IMPL_H_
 #define CHROME_BROWSER_IN_PROCESS_WEBKIT_BROWSER_WEBKITCLIENT_IMPL_H_
 #pragma once
 
-#include "base/ref_counted.h"
 #include "webkit/glue/webfileutilities_impl.h"
 #include "webkit/glue/webkitclient_impl.h"
 
 class IndexedDBKeyUtilityClient;
 
 class BrowserWebKitClientImpl : public webkit_glue::WebKitClientImpl {
  public:
   BrowserWebKitClientImpl();
   virtual ~BrowserWebKitClientImpl();
 
@@ skipping 22 matching lines @@
   virtual WebKit::WebData loadResource(const char* name);
   virtual WebKit::WebStorageNamespace* createLocalStorageNamespace(
       const WebKit::WebString& path, unsigned quota);
   virtual void dispatchStorageEvent(const WebKit::WebString& key,
       const WebKit::WebString& oldValue, const WebKit::WebString& newValue,
       const WebKit::WebString& origin, const WebKit::WebURL& url,
       bool isLocalStorage);
   virtual WebKit::WebSharedWorkerRepository* sharedWorkerRepository();
   virtual int databaseDeleteFile(const WebKit::WebString& vfs_file_name,
                                  bool sync_dir);
-  virtual void idbShutdown();
   virtual void createIDBKeysFromSerializedValuesAndKeyPath(
       const WebKit::WebVector<WebKit::WebSerializedScriptValue>& values,
       const WebKit::WebString& keyPath,
       WebKit::WebVector<WebKit::WebIDBKey>& keys);
 
  private:
   webkit_glue::WebFileUtilitiesImpl file_utilities_;
-  scoped_refptr<IndexedDBKeyUtilityClient> indexed_db_key_utility_client_;
 };
 
 #endif  // CHROME_BROWSER_IN_PROCESS_WEBKIT_BROWSER_WEBKITCLIENT_IMPL_H_