|  | // Copyright 2013 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 CONTENT_COMMON_INDEXED_DB_INDEXED_DB_CONSTANTS_H_ | 
|  | #define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_CONSTANTS_H_ | 
|  |  | 
|  | #include <stddef.h> | 
|  | #include <stdint.h> | 
|  |  | 
|  | #include "ipc/ipc_channel.h" | 
|  |  | 
|  | namespace content { | 
|  |  | 
|  | const int32_t kNoDatabase = -1; | 
|  |  | 
|  | const size_t kMaxIDBMessageOverhead = 1024 * 1024;  // 1MB; arbitrarily chosen. | 
|  |  | 
|  | const size_t kMaxIDBMessageSizeInBytes = | 
|  | IPC::Channel::kMaximumMessageSize - kMaxIDBMessageOverhead; | 
|  |  | 
|  | }  // namespace content | 
|  |  | 
|  | #endif  // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_CONSTANTS_H_ |