Move database files from chrome\commmon to content\common, in preparation for...

chrome/common/db_message_filter.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_COMMON_DB_MESSAGE_FILTER_H_
-#define CHROME_COMMON_DB_MESSAGE_FILTER_H_
-#pragma once
-
-#include "ipc/ipc_channel_proxy.h"
-
-// Receives database messages from the browser process and processes them on the
-// IO thread.
-class DBMessageFilter : public IPC::ChannelProxy::MessageFilter {
- public:
-  DBMessageFilter();
-
- private:
-  virtual bool OnMessageReceived(const IPC::Message& message);
-
-  void OnDatabaseUpdateSize(const string16& origin_identifier,
-                            const string16& database_name,
-                            int64 database_size,
-                            int64 space_available);
-  void OnDatabaseCloseImmediately(const string16& origin_identifier,
-                                  const string16& database_name);
-};
-
-#endif  // CHROME_COMMON_DB_MESSAGE_FILTER_H_