Chromium side patch for DB support on Linux.

chrome/common/db_message_filter.cc

 // Copyright (c) 2009 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.
 
 #include "db_message_filter.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/id_map.h"
 #include "base/lock.h"
 #include "base/message_loop.h"
@@ skipping 57 matching lines @@
 
 void DBMessageFilter::OnChannelClosing() {
   AutoLock channel_auto_lock(*channel_lock_);
   channel_ = NULL;
 }
 
 bool DBMessageFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(DBMessageFilter, message)
     IPC_MESSAGE_HANDLER(ViewMsg_DatabaseOpenFileResponse,
-                        OnResponse<base::PlatformFile>)
+                        OnResponse<ViewMsg_DatabaseOpenFileResponse_Params>)
     IPC_MESSAGE_HANDLER(ViewMsg_DatabaseDeleteFileResponse,
-                        OnResponse<bool>)
+                        OnResponse<int>)
     IPC_MESSAGE_HANDLER(ViewMsg_DatabaseGetFileAttributesResponse,
                         OnResponse<uint32>)
     IPC_MESSAGE_HANDLER(ViewMsg_DatabaseGetFileSizeResponse,
                         OnResponse<int64>)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }