Make DatabaseDispatcherHost be a message filter so that ResourceMessageFilter...

chrome/common/database_messages.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_DATABASE_MESSAGES_H_
+#define CHROME_COMMON_DATABASE_MESSAGES_H_
+#pragma once
+
+#include "ipc/ipc_message_macros.h"
+#include "ipc/ipc_param_traits.h"
+#include "ipc/ipc_platform_file.h"
+
+#define IPC_MESSAGE_START DatabaseMsgStart
+
+// Database messages sent from the browser to the renderer.
+
+// Notifies the child process of the new database size
+IPC_MESSAGE_CONTROL4(DatabaseMsg_UpdateSize,
+                     string16 /* the origin */,
+                     string16 /* the database name */,
+                     int64 /* the new database size */,
+                     int64 /* space available to origin */)
+
+// Asks the child process to close a database immediately
+IPC_MESSAGE_CONTROL2(DatabaseMsg_CloseImmediately,
+                     string16 /* the origin */,
+                     string16 /* the database name */)
+
+// Database messages sent from the renderer to the browser.
+
+// Sent by the renderer process to check whether access to web databases is
+// granted by content settings. This may block and trigger a cookie prompt.
+IPC_SYNC_MESSAGE_ROUTED4_1(DatabaseHostMsg_Allow,
+                           std::string /* origin_url */,
+                           string16 /* database name */,
+                           string16 /* database display name */,
+                           unsigned long /* estimated size */,
+                           bool /* result */)
+
+// Asks the browser process to open a DB file with the given name.
+IPC_SYNC_MESSAGE_CONTROL2_1(DatabaseHostMsg_OpenFile,
+                            string16 /* vfs file name */,
+                            int /* desired flags */,
+                            IPC::PlatformFileForTransit /* file_handle */)
+
+// Asks the browser process to delete a DB file
+IPC_SYNC_MESSAGE_CONTROL2_1(DatabaseHostMsg_DeleteFile,
+                            string16 /* vfs file name */,
+                            bool /* whether or not to sync the directory */,
+                            int /* SQLite error code */)
+
+// Asks the browser process to return the attributes of a DB file
+IPC_SYNC_MESSAGE_CONTROL1_1(DatabaseHostMsg_GetFileAttributes,
+                            string16 /* vfs file name */,
+                            int32 /* the attributes for the given DB file */)
+
+// Asks the browser process to return the size of a DB file
+IPC_SYNC_MESSAGE_CONTROL1_1(DatabaseHostMsg_GetFileSize,
+                            string16 /* vfs file name */,
+                            int64 /* the size of the given DB file */)
+
+// Notifies the browser process that a new database has been opened
+IPC_MESSAGE_CONTROL4(DatabaseHostMsg_Opened,
+                     string16 /* origin identifier */,
+                     string16 /* database name */,
+                     string16 /* database description */,
+                     int64 /* estimated size */)
+
+// Notifies the browser process that a database might have been modified
+IPC_MESSAGE_CONTROL2(DatabaseHostMsg_Modified,
+                     string16 /* origin identifier */,
+                     string16 /* database name */)
+
+// Notifies the browser process that a database is about to close
+IPC_MESSAGE_CONTROL2(DatabaseHostMsg_Closed,
+                     string16 /* origin identifier */,
+                     string16 /* database name */)
+
+#endif  // CHROME_COMMON_DATABASE_MESSAGES_H_